Kalle Stenflo
10 years ago
26 changed files with 750 additions and 327 deletions
@ -0,0 +1,4 @@
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package com.jayway.jsonpath; |
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public class ValueCompareException extends RuntimeException { |
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} |
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@ -0,0 +1,40 @@
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package com.jayway.jsonpath.internal.spi.converter; |
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import com.jayway.jsonpath.spi.converter.ConversionException; |
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import com.jayway.jsonpath.spi.converter.Converter; |
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import java.util.Collections; |
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import java.util.HashSet; |
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import java.util.Set; |
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public abstract class ConverterBase implements Converter{ |
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private final Set<Converter.ConvertiblePair> convertiblePairs = new HashSet<Converter.ConvertiblePair>(); |
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protected void register(Class<?> srcType, Class<?> targetType){ |
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convertiblePairs.add(new ConvertiblePair(srcType, targetType)); |
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} |
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@Override |
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public Set<ConvertiblePair> getConvertibleTypes() { |
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return Collections.unmodifiableSet(convertiblePairs); |
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} |
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void assertValidConversion(Object src, Class<?> srcType, Class<?> targetType) { |
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if (src == null) { |
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return; |
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} |
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if (!srcType.isAssignableFrom(src.getClass())) { |
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throw new ConversionException("Source: " + src.getClass() + " is not assignable from: " + srcType.getName()); |
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} |
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if(!canConvert(srcType, targetType)){ |
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throw new ConversionException("Can not convert: " + srcType.getName() + " to: " + targetType.getName()); |
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} |
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} |
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boolean canConvert(Class<?> srcType, Class<?> targetType){ |
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return convertiblePairs.contains(new Converter.ConvertiblePair(srcType, targetType)); |
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} |
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} |
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@ -0,0 +1,38 @@
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package com.jayway.jsonpath.internal.spi.converter; |
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import com.jayway.jsonpath.Configuration; |
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import com.jayway.jsonpath.spi.converter.ConversionException; |
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import java.text.DateFormat; |
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import java.text.ParseException; |
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import java.util.Date; |
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public class DateConverter extends ConverterBase { |
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public DateConverter() { |
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register(Long.class, Date.class); |
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register(String.class, Date.class); |
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} |
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@Override |
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public Object convert(Object src, Class<?> srcType, Class<?> targetType, Configuration conf) { |
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assertValidConversion(src, srcType, targetType); |
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if(src == null){ |
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return null; |
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} |
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if(Long.class.isAssignableFrom(srcType)){ |
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return new Date((Long) src); |
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} |
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else if(String.class.isAssignableFrom(srcType)){ |
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try { |
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return DateFormat.getInstance().parse(src.toString()); |
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} catch (ParseException e) { |
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throw new ConversionException(e); |
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} |
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} |
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throw new ConversionException("Can not convert: " + srcType.getName() + " to: " + targetType.getName()); |
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} |
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} |
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@ -0,0 +1,52 @@
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package com.jayway.jsonpath.internal.spi.converter; |
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import com.jayway.jsonpath.Configuration; |
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import com.jayway.jsonpath.spi.converter.ConversionProvider; |
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import com.jayway.jsonpath.spi.converter.Converter; |
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import java.util.HashMap; |
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public class DefaultConversionProvider implements ConversionProvider { |
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private HashMap<Class<?>, HashMap<Class<?>, Converter>> converters = new HashMap<Class<?>, HashMap<Class<?>, Converter>>(); |
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public DefaultConversionProvider(){ |
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addConverters(new NumberConverter()); |
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addConverters(new StringConverter()); |
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addConverters(new DateConverter()); |
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} |
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public void addConverters(ConverterBase converter) { |
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for (Converter.ConvertiblePair convertible : converter.getConvertibleTypes()) { |
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if(!converters.containsKey(convertible.getTargetType())){ |
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converters.put(convertible.getTargetType(), new HashMap<Class<?>, Converter>()); |
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} |
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converters.get(convertible.getTargetType()).put(convertible.getSourceType(), converter); |
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} |
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} |
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@Override |
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public boolean canConvert(Class<?> sourceType, Class<?> targetType) { |
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HashMap<Class<?>, Converter> targetConverters = converters.get(targetType); |
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return targetConverters != null && targetConverters.containsKey(sourceType); |
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} |
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@Override |
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public <T> T convert(Object source, Class<T> targetType, Configuration configuration) { |
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if(source == null){ |
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return null; |
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} |
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HashMap<Class<?>, Converter> targetConverters = converters.get(targetType); |
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if(targetConverters != null){ |
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Converter converter = targetConverters.get(source.getClass()); |
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if(converter != null){ |
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return (T)converter.convert(source, source.getClass(), targetType, configuration); |
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} |
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converter = targetConverters.get(Object.class); |
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if(converter != null){ |
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return (T)converter.convert(source, source.getClass(), targetType, configuration); |
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} |
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} |
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return (T)source; |
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} |
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} |
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@ -0,0 +1,130 @@
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package com.jayway.jsonpath.internal.spi.converter; |
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import com.jayway.jsonpath.Configuration; |
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import com.jayway.jsonpath.spi.converter.ConversionException; |
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import java.math.BigDecimal; |
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public class NumberConverter extends ConverterBase { |
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public NumberConverter() { |
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//to long
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register(Integer.class, Long.class); |
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register(Double.class, Long.class); |
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register(Float.class, Long.class); |
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register(BigDecimal.class, Long.class); |
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register(String.class, Long.class); |
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//to int
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register(Long.class, Integer.class); |
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register(Double.class, Integer.class); |
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register(Float.class, Integer.class); |
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register(BigDecimal.class, Integer.class); |
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register(String.class, Integer.class); |
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//to double
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register(Long.class, Double.class); |
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register(Integer.class, Double.class); |
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register(Float.class, Double.class); |
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register(BigDecimal.class, Double.class); |
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register(String.class, Double.class); |
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//to float
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register(Long.class, Float.class); |
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register(Integer.class, Float.class); |
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register(Double.class, Float.class); |
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register(BigDecimal.class, Float.class); |
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register(String.class, Float.class); |
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//to BigDecimal
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register(Long.class, BigDecimal.class); |
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register(Integer.class, BigDecimal.class); |
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register(Double.class, BigDecimal.class); |
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register(Float.class, BigDecimal.class); |
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register(String.class, BigDecimal.class); |
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} |
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@Override |
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public Object convert(Object src, Class<?> srcType, Class<?> targetType, Configuration conf) { |
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assertValidConversion(src, srcType, targetType); |
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if (src == null) { |
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return null; |
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} |
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//to long
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if(targetType.equals(Long.class)) { |
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if (Integer.class.isAssignableFrom(srcType)) { |
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return ((Integer) src).longValue(); |
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} else if (Double.class.isAssignableFrom(srcType)) { |
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return ((Double) src).longValue(); |
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} else if (BigDecimal.class.isAssignableFrom(srcType)) { |
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return ((BigDecimal) src).longValue(); |
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} else if (Float.class.isAssignableFrom(srcType)) { |
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return ((Float) src).longValue(); |
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} else if (String.class.isAssignableFrom(srcType)) { |
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return Long.parseLong(src.toString()); |
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} |
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} |
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else if(targetType.equals(Integer.class)) { |
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//to int
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if (Long.class.isAssignableFrom(srcType)) { |
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return ((Long) src).intValue(); |
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} else if (Double.class.isAssignableFrom(srcType)) { |
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return ((Double) src).intValue(); |
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} else if (BigDecimal.class.isAssignableFrom(srcType)) { |
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return ((BigDecimal) src).intValue(); |
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} else if (Float.class.isAssignableFrom(srcType)) { |
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return ((Float) src).intValue(); |
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} else if (String.class.isAssignableFrom(srcType)) { |
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return Integer.parseInt(src.toString()); |
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} |
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} |
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else if(targetType.equals(Double.class)) { |
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//to double
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if (Long.class.isAssignableFrom(srcType)) { |
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return ((Long) src).doubleValue(); |
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} else if (Integer.class.isAssignableFrom(srcType)) { |
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return ((Integer) src).doubleValue(); |
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} else if (BigDecimal.class.isAssignableFrom(srcType)) { |
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return ((BigDecimal) src).doubleValue(); |
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} else if (Float.class.isAssignableFrom(srcType)) { |
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return ((Float) src).doubleValue(); |
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} else if (String.class.isAssignableFrom(srcType)) { |
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return Double.parseDouble(src.toString()); |
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} |
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} |
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else if(targetType.equals(Float.class)) { |
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//to float
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if (Long.class.isAssignableFrom(srcType) && targetType.equals(Float.class)) { |
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return ((Long) src).floatValue(); |
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} else if (Integer.class.isAssignableFrom(srcType) && targetType.equals(Float.class)) { |
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return ((Integer) src).floatValue(); |
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} else if (BigDecimal.class.isAssignableFrom(srcType) && targetType.equals(Float.class)) { |
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return ((BigDecimal) src).floatValue(); |
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} else if (Double.class.isAssignableFrom(srcType) && targetType.equals(Float.class)) { |
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return ((Double) src).floatValue(); |
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} else if (String.class.isAssignableFrom(srcType) && targetType.equals(Float.class)) { |
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return Float.parseFloat(src.toString()); |
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} |
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} |
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else if(targetType.equals(BigDecimal.class)) { |
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//to BigDecimal
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if (Long.class.isAssignableFrom(srcType) && targetType.equals(BigDecimal.class)) { |
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return new BigDecimal(src.toString()); |
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} else if (Integer.class.isAssignableFrom(srcType) && targetType.equals(BigDecimal.class)) { |
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return new BigDecimal(src.toString()); |
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} else if (Float.class.isAssignableFrom(srcType) && targetType.equals(BigDecimal.class)) { |
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return new BigDecimal(src.toString()); |
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} else if (Double.class.isAssignableFrom(srcType) && targetType.equals(BigDecimal.class)) { |
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return new BigDecimal(src.toString()); |
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} else if (String.class.isAssignableFrom(srcType) && targetType.equals(BigDecimal.class)) { |
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return new BigDecimal(src.toString()); |
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} |
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} |
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throw new ConversionException("Can not convert: " + srcType.getName() + " to: " + targetType.getName()); |
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} |
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} |
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@ -0,0 +1,26 @@
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package com.jayway.jsonpath.internal.spi.converter; |
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import com.jayway.jsonpath.Configuration; |
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import com.jayway.jsonpath.spi.converter.Converter; |
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public class StringConverter extends ConverterBase { |
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public StringConverter() { |
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register(Object.class, String.class); |
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} |
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@Override |
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public Object convert(Object src, Class<?> srcType, Class<?> targetType, Configuration conf) { |
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assertValidConversion(src, srcType, targetType); |
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if (src == null) { |
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return null; |
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} |
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return src.toString(); |
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} |
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@Override |
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boolean canConvert(Class<?> srcType, Class<?> targetType){ |
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return true; |
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} |
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} |
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@ -0,0 +1,21 @@
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package com.jayway.jsonpath.spi.converter; |
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public class ConversionException extends RuntimeException { |
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public ConversionException(String message, Throwable cause) { |
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super(message, cause); |
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} |
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public ConversionException(Throwable cause) { |
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super(cause); |
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} |
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public ConversionException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) { |
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super(message, cause, enableSuppression, writableStackTrace); |
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} |
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public ConversionException(String message) { |
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super(message); |
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} |
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} |
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@ -0,0 +1,10 @@
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package com.jayway.jsonpath.spi.converter; |
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import com.jayway.jsonpath.Configuration; |
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public interface ConversionProvider { |
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boolean canConvert(Class<?> sourceType, Class<?> targetType); |
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<T> T convert(Object source, Class<T> targetType, Configuration configuration); |
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} |
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@ -1,174 +0,0 @@
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package com.jayway.jsonpath.spi.converter; |
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import com.jayway.jsonpath.Configuration; |
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import java.math.BigDecimal; |
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import java.text.DateFormat; |
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import java.text.ParseException; |
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import java.util.Date; |
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import java.util.Map; |
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import java.util.concurrent.ConcurrentHashMap; |
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public class ConverterFactory { |
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private static Map<Class<?>, Converter<?>> converters = new ConcurrentHashMap<Class<?>, Converter<?>>(); |
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static { |
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registerConverter(Long.class, new LongConverter()); |
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registerConverter(Integer.class, new IntegerConverter()); |
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registerConverter(BigDecimal.class, new BigDecimalConverter()); |
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registerConverter(Double.class, new DoubleConverter()); |
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registerConverter(Date.class, new DateConverter()); |
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registerConverter(String.class, new StringConverter()); |
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} |
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public static <T> Converter<T> createConverter(Class<T> target){ |
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Converter<T> converter = (Converter<T>) converters.get(target); |
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if(converter == null){ |
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converter = new Converter<T>() { |
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@Override |
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public T convert(Object o, Configuration conf) { |
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return (T)o; |
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} |
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}; |
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} |
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return converter; |
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} |
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public static <T> void registerConverter(Class<T> target, Converter<T> converter){ |
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converters.put(target, converter); |
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} |
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public static <T> void unRegisterConverter(Class<T> target){ |
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converters.remove(target); |
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} |
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private static class StringConverter implements Converter<String> { |
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@Override |
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public String convert(Object o, Configuration conf) { |
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if(o == null){ |
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return null; |
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} else { |
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return o.toString(); |
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} |
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} |
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} |
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private static class DateConverter implements Converter<Date> { |
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@Override |
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public Date convert(Object o, Configuration conf) { |
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if(o == null){ |
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return null; |
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} else if(o instanceof Date){ |
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return (Date)o; |
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} else if(o instanceof Long){ |
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return new Date(((Long)o).longValue()); |
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} else if(o instanceof String){ |
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try { |
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return DateFormat.getInstance().parse(o.toString()); |
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} catch (ParseException e) { |
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throw new IllegalArgumentException("Can not convert: " + o.getClass().getName() + " to: " + Integer.class.getName(), e); |
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} |
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} |
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throw new IllegalArgumentException("Can not convert: " + o.getClass().getName() + " to: " + Integer.class.getName()); |
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} |
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} |
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private static class IntegerConverter implements Converter<Integer> { |
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@Override |
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public Integer convert(Object o, Configuration conf) { |
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if(o == null){ |
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return null; |
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} else if(o instanceof Integer){ |
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return (Integer)o; |
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} else if(o instanceof Long){ |
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return ((Long)o).intValue(); |
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} else if(o instanceof Double){ |
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return ((Double)o).intValue(); |
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} else if(o instanceof BigDecimal){ |
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return ((BigDecimal)o).intValue(); |
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} else if(o instanceof Float){ |
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return ((Float)o).intValue(); |
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} else if(o instanceof String){ |
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return Integer.parseInt(o.toString()); |
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} |
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throw new IllegalArgumentException("Can not convert: " + o.getClass().getName() + " to: " + Integer.class.getName()); |
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} |
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} |
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private static class LongConverter implements Converter<Long> { |
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@Override |
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public Long convert(Object o, Configuration conf) { |
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if(o == null){ |
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return null; |
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} else if(o instanceof Long){ |
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return (Long)o; |
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} else if(o instanceof Integer){ |
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return ((Integer)o).longValue(); |
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} else if(o instanceof Double){ |
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return ((Double)o).longValue(); |
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} else if(o instanceof BigDecimal){ |
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return ((BigDecimal)o).longValue(); |
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} else if(o instanceof Float){ |
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return ((Float)o).longValue(); |
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} else if(o instanceof String){ |
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return Long.parseLong(o.toString()); |
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} |
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throw new IllegalArgumentException("Can not convert: " + o.getClass().getName() + " to: " + Long.class.getName()); |
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} |
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} |
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private static class DoubleConverter implements Converter<Double> { |
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@Override |
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public Double convert(Object o, Configuration conf) { |
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if(o == null){ |
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return null; |
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} else if(o instanceof Double){ |
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return (Double)o; |
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} else if(o instanceof Integer){ |
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return Double.valueOf(o.toString()); |
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} else if(o instanceof Long){ |
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return Double.valueOf(o.toString()); |
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} else if(o instanceof BigDecimal){ |
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return ((BigDecimal)o).doubleValue(); |
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} else if(o instanceof Float){ |
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return ((Float)o).doubleValue(); |
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} else if(o instanceof String){ |
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return Double.parseDouble(o.toString()); |
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} |
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throw new IllegalArgumentException("Can not convert: " + o.getClass().getName() + " to: " + Double.class.getName()); |
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} |
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} |
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private static class BigDecimalConverter implements Converter<BigDecimal> { |
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@Override |
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public BigDecimal convert(Object o, Configuration conf) { |
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if(o == null){ |
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return null; |
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} else if(o instanceof BigDecimal){ |
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return (BigDecimal)o; |
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} else if(o instanceof Integer){ |
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return new BigDecimal(o.toString()); |
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} else if(o instanceof Long){ |
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return new BigDecimal(o.toString()); |
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} else if(o instanceof Float){ |
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return BigDecimal.valueOf(((Float)o).doubleValue()); |
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} else if(o instanceof String){ |
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return new BigDecimal(o.toString()); |
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} |
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throw new IllegalArgumentException("Can not convert: " + o.getClass().getName() + " to: " + BigDecimal.class.getName()); |
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} |
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} |
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} |
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