Code clean up and JacksonProvider improvements.

json-path-web-test/src/main/java/com/jayway/jsonpath/web/bench/Bench.java

@@ -21,12 +21,16 @@ public class Bench {
 
     protected final String json;
     protected final String path;
-    private final boolean value;
+    private final boolean optionAsValues;
+    private final boolean optionAllwaysReturnList;
+    private final boolean optionMergeMultiProps;
 
-    public Bench(String json, String path, boolean value) {
+    public Bench(String json, String path, boolean optionAsValues, boolean optionAllwaysReturnList, boolean optionMergeMultiProps) {
         this.json = json;
         this.path = path;
-        this.value = value;
+        this.optionAsValues = optionAsValues;
+        this.optionAllwaysReturnList = optionAllwaysReturnList;
+        this.optionMergeMultiProps = optionMergeMultiProps;
     }
 
     public Result runJayway() {
@@ -35,33 +39,31 @@ public class Bench {
         long time;
         Object res = null;
 
-        //Configuration configuration = Configuration.defaultConfiguration();
-        Configuration configuration = Configuration.defaultConfiguration().options(Option.ALWAYS_RETURN_LIST);
-        if(!value){
-            configuration = configuration.options(Option.AS_PATH_LIST);
+
+        Configuration configuration = Configuration.defaultConfiguration();
+        if(optionAllwaysReturnList){
+            configuration = configuration.addOptions(Option.ALWAYS_RETURN_LIST);
+        }
+        if(optionMergeMultiProps){
+            configuration = configuration.addOptions(Option.MERGE_MULTI_PROPS);
+        }
+        if (!optionAsValues) {
+            configuration = configuration.addOptions(Option.AS_PATH_LIST);
         }
 
         long now = System.currentTimeMillis();
         try {
-
             res = JsonPath.using(configuration).parse(json).read(path);
-            /*
-            if(value) {
-                res = JsonPath.parse(json).read(path);
-            } else {
-                res = JsonPath.parse(json).readPathList(path);
-            }*/
-
-        } catch (Exception e){
+        } catch (Exception e) {
             error = getError(e);
         } finally {
             time = System.currentTimeMillis() - now;
 
-            if(res instanceof String) {
+            if (res instanceof String) {
                 result = "\"" + res + "\"";
-            } else if(res instanceof Number) {
+            } else if (res instanceof Number) {
                 result = res.toString();
-            } else if(res instanceof Boolean){
+            } else if (res instanceof Boolean) {
                 result = res.toString();
             } else {
                 result = res != null ? JsonProviderFactory.createProvider().toJson(res) : "null";
@@ -78,7 +80,7 @@ public class Bench {
         Iterator<Object> query = null;
         long now = System.currentTimeMillis();
         try {
-            if(!value){
+            if (!optionAsValues) {
                 throw new UnsupportedOperationException("Not supported!");
             }
             io.gatling.jsonpath.JsonPath jsonPath = JsonPath$.MODULE$.compile(path).right().get();
@@ -87,12 +89,12 @@ public class Bench {
             Object jsonModel = jsonParser.parse(json);
             query = jsonPath.query(jsonModel);
 
-        } catch (Exception e){
+        } catch (Exception e) {
             error = getError(e);
         } finally {
             time = System.currentTimeMillis() - now;
 
-            if(query != null) {
+            if (query != null) {
                 List<Object> res = new ArrayList<Object>();
                 while (query.hasNext()) {
                     res.add(query.next());
@@ -113,27 +115,27 @@ public class Bench {
 
         long now = System.currentTimeMillis();
         try {
-            if(!value){
+            if (!optionAsValues) {
                 throw new UnsupportedOperationException("Not supported!");
             }
             com.nebhale.jsonpath.JsonPath compiled = com.nebhale.jsonpath.JsonPath.compile(path);
             res = compiled.read(json, Object.class);
-        } catch (Exception e){
+        } catch (Exception e) {
             error = getError(e);
         } finally {
             time = System.currentTimeMillis() - now;
-            result = res!=null? jacksonProvider.toJson(res):null;
+            result = res != null ? jacksonProvider.toJson(res) : null;
             return new Result("nebhale", time, result, error);
         }
     }
 
-    public List<Result> runAll(){
+    public List<Result> runAll() {
         return asList(runJayway(), runBoon(), runNebhale());
     }
 
-    private String getError(Exception e){
+    private String getError(Exception e) {
         String ex = e.getMessage();
-        if(ex == null || ex.trim().isEmpty()){
+        if (ex == null || ex.trim().isEmpty()) {
             ex = "Undefined error";
         }
         return ex;

json-path-web-test/src/main/java/com/jayway/jsonpath/web/resource/IndexResource.java

@@ -45,7 +45,7 @@ public class IndexResource {
 
         boolean value = "VALUE".equalsIgnoreCase(type);
 
-        return createView(json, path, value, template, new Bench(json, path, value).runAll());
+        return createView(json, path, value, template, new Bench(json, path, value, true, true).runAll());
     }
 
     private Viewable createView(String json, String path, boolean value, String selectedTemplate, List<Result> results){

json-path/src/main/java/com/jayway/jsonpath/Configuration.java

@@ -17,12 +17,12 @@ package com.jayway.jsonpath;
 import com.jayway.jsonpath.spi.json.JsonProvider;
 import com.jayway.jsonpath.spi.json.JsonProviderFactory;
 
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.Set;
 
 import static com.jayway.jsonpath.internal.Utils.notNull;
+import static java.util.Arrays.asList;
 
 public class Configuration {
 
@@ -44,6 +44,12 @@ public class Configuration {
         return provider;
     }
 
+    public Configuration addOptions(Option... options) {
+        EnumSet<Option> opts = EnumSet.noneOf(Option.class);
+        opts.addAll(this.options);
+        opts.addAll(asList(options));
+        return Configuration.builder().jsonProvider(provider).options(opts).build();
+    }
     public Configuration options(Option... options) {
         return Configuration.builder().jsonProvider(provider).options(options).build();
     }
@@ -71,7 +77,7 @@ public class Configuration {
         }
 
         public ConfigurationBuilder options(Option... flags) {
-            this.options.addAll(Arrays.asList(flags));
+            this.options.addAll(asList(flags));
             return this;
         }
 

json-path/src/main/java/com/jayway/jsonpath/Option.java

@@ -23,15 +23,18 @@ public enum Option {
 
     /**
      * Makes this implementation more compliant to the Goessner spec. All results are returned as Lists.
-     *
      */
     ALWAYS_RETURN_LIST,
 
     /**
-     * returns a list of path strings representing the path of the evaluation hits
-     *
+     * Returns a list of path strings representing the path of the evaluation hits
+     */
+    AS_PATH_LIST,
+
+    /**
+     * When multiple properties are queried eg @..['foo', 'bar'] these properties are extracted and put in a new Map.
      */
-    AS_PATH_LIST
+    MERGE_MULTI_PROPS
 
 
 }

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/ArrayPathToken.java

@@ -46,22 +46,33 @@ class ArrayPathToken extends PathToken {
         }
 
         try {
-            if (operation == Operation.SINGLE_INDEX) {
+            int idx;
+            int input;
+            int length;
+            int from;
+            int to;
+
+            switch (operation){
+                case SINGLE_INDEX:
                     handleArrayIndex(criteria.get(0), currentPath, model, ctx);
-            } else if (operation == Operation.INDEX_SEQUENCE) {
-                for (Integer idx : criteria) {
-                    handleArrayIndex(criteria.get(idx), currentPath, model, ctx);
+                    break;
+
+                case INDEX_SEQUENCE:
+                    for (Integer i : criteria) {
+                        handleArrayIndex(criteria.get(i), currentPath, model, ctx);
                     }
-            } else if (Operation.CONTEXT_SIZE == operation) {
-                int length = ctx.jsonProvider().length(model);
-                int idx = length + criteria.get(0);
+                    break;
+
+                case CONTEXT_SIZE:
+                    length = ctx.jsonProvider().length(model);
+                    idx = length + criteria.get(0);
                     handleArrayIndex(idx, currentPath, model, ctx);
-            }
-            //[2:]
-            else if (Operation.SLICE_FROM == operation) {
-                int input = criteria.get(0);
-                int length = ctx.jsonProvider().length(model);
-                int from = input;
+                    break;
+
+                case SLICE_FROM: //[2:]
+                    input = criteria.get(0);
+                    length = ctx.jsonProvider().length(model);
+                    from = input;
                     if (from < 0) {
                         //calculate slice start from array length
                         from = length + from;
@@ -76,12 +87,12 @@ class ArrayPathToken extends PathToken {
                     for (int i = from; i < length; i++) {
                         handleArrayIndex(i, currentPath, model, ctx);
                     }
-            }
-            //[:2]
-            else if (Operation.SLICE_TO == operation) {
-                int input = criteria.get(0);
-                int length = ctx.jsonProvider().length(model);
-                int to = input;
+                    break;
+
+                case SLICE_TO : //[:2]
+                    input = criteria.get(0);
+                    length = ctx.jsonProvider().length(model);
+                    to = input;
                     if (to < 0) {
                         //calculate slice end from array length
                         to = length + to;
@@ -96,12 +107,12 @@ class ArrayPathToken extends PathToken {
                     for (int i = 0; i < to; i++) {
                         handleArrayIndex(i, currentPath, model, ctx);
                     }
-            }
-            //[2:4]
-            else if (Operation.SLICE_BETWEEN == operation) {
-                int from = criteria.get(0);
-                int to = criteria.get(1);
-                int length = ctx.jsonProvider().length(model);
+                    break;
+
+                case SLICE_BETWEEN : //[2:4]
+                    from = criteria.get(0);
+                    to = criteria.get(1);
+                    length = ctx.jsonProvider().length(model);
 
                     to = Math.min(length, to);
 
@@ -114,6 +125,7 @@ class ArrayPathToken extends PathToken {
                     for (int i = from; i < to; i++) {
                         handleArrayIndex(i, currentPath, model, ctx);
                     }
+                    break;
                 }
         } catch (IndexOutOfBoundsException e) {
             throw new PathNotFoundException("Index out of bounds when evaluating path " + currentPath);

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/CompiledPath.java

@@ -1,7 +1,6 @@
 package com.jayway.jsonpath.internal.spi.compiler;
 
 import com.jayway.jsonpath.Configuration;
-import com.jayway.jsonpath.internal.JsonFormatter;
 import com.jayway.jsonpath.spi.compiler.EvaluationContext;
 import com.jayway.jsonpath.spi.compiler.Path;
 import org.slf4j.Logger;
@@ -27,10 +26,6 @@ class CompiledPath implements Path {
         EvaluationContextImpl ctx = new EvaluationContextImpl(this, configuration);
         root.evaluate("", model, ctx);
 
-        if(logger.isDebugEnabled()) {
-            logger.debug("Found:\n{}", JsonFormatter.prettyPrint(ctx.configuration().getProvider().toJson(ctx.getPathList())));
-        }
-
         return ctx;
     }
 
@@ -39,11 +34,6 @@ class CompiledPath implements Path {
         return root.isPathDefinite();
     }
 
-    @Override
-    public int tokenCount() {
-        return root.getTokenCount();
-    }
-
     @Override
     public String toString() {
         return root.toString();

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/PathCompiler.java

@@ -45,7 +45,7 @@ public class PathCompiler {
         String cacheKey = path + filterList.toString();
         Path p = cache.get(cacheKey);
         if(p != null){
-            return p;
+            //return p;
         }
 
         RootPathToken root = null;
@@ -340,37 +340,31 @@ public class PathCompiler {
 
         //"['foo']"
         private PathToken analyzeProperty() {
-            String property = null;
-
+            List<String> properties = new ArrayList<String>();
             StringBuilder buffer = new StringBuilder();
 
             boolean propertyIsOpen = false;
-            boolean propertyDone = false;
 
             while (current != ']') {
                 switch (current) {
                     case '\'':
                         if (propertyIsOpen) {
-                            property = buffer.toString();
+                            properties.add(buffer.toString());
+                            buffer = new StringBuilder();
                             propertyIsOpen = false;
-                            propertyDone = true;
                         } else {
                             propertyIsOpen = true;
                         }
                         break;
                     default:
                         if (propertyIsOpen) {
-                            if(propertyDone){
-                                //Don't understand how to create a "Normalized path expressions" for this type of query
-                                throw new InvalidPathException("Only single properties are supported.");
-                            }
                             buffer.append(current);
                         }
                         break;
                 }
                 current = chars[++i];
             }
-            return new PropertyPathToken(property);
+            return new PropertyPathToken(properties);
         }
 
 

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/PathToken.java

@@ -1,7 +1,11 @@
 package com.jayway.jsonpath.internal.spi.compiler;
 
+import com.jayway.jsonpath.InvalidPathException;
 import com.jayway.jsonpath.Option;
 import com.jayway.jsonpath.PathNotFoundException;
+import com.jayway.jsonpath.internal.Utils;
+
+import java.util.List;
 
 /**
  *
@@ -16,7 +20,10 @@ abstract class PathToken {
         return next;
     }
 
-    void handleObjectProperty(String currentPath, Object model, EvaluationContextImpl ctx, String property) {
+    void handleObjectProperty(String currentPath, Object model, EvaluationContextImpl ctx, List<String> properties) {
+
+        if(properties.size() == 1) {
+            String property = properties.get(0);
             String evalPath = currentPath + "['" + property + "']";
             Object propertyVal = readObjectProperty(property, model, ctx);
             if (isLeaf()) {
@@ -24,12 +31,47 @@ abstract class PathToken {
             } else {
                 next().evaluate(evalPath, propertyVal, ctx);
             }
+        } else {
+            if(ctx.configuration().getOptions().contains(Option.MERGE_MULTI_PROPS)) {
+
+                String evalPath = currentPath + "[" + Utils.join(", ", "'", properties) + "]";
+                if (!isLeaf()) {
+                    throw new InvalidPathException("Multi properties can only be used as path leafs: " + evalPath);
+                } else {
+                    Object map = ctx.jsonProvider().createMap();
+                    for (String property : properties) {
+                        if(hasProperty(property, model, ctx)) {
+                            Object propertyVal = readObjectProperty(property, model, ctx);
+                            ctx.jsonProvider().setProperty(map, property, propertyVal);
+                        }
+                    }
+                    ctx.addResult(evalPath, map);
                 }
 
+            } else {
+                if (!isLeaf()) {
+                    String evalPath = currentPath + "[" + Utils.join(", ", "'", properties) + "]";
+                    throw new InvalidPathException("Multi properties can only be used as path leafs: " + evalPath);
+                } else {
+                    for (String property : properties) {
+                        String evalPath = currentPath + "['" + property + "']";
+                        if(hasProperty(property, model, ctx)) {
+                            Object propertyVal = readObjectProperty(property, model, ctx);
+                            ctx.addResult(evalPath, propertyVal);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private boolean hasProperty(String property, Object model, EvaluationContextImpl ctx) {
+        return ctx.jsonProvider().getPropertyKeys(model).contains(property);
+    }
 
     private Object readObjectProperty(String property, Object model, EvaluationContextImpl ctx) {
         if (ctx.options().contains(Option.THROW_ON_MISSING_PROPERTY) && !ctx.jsonProvider().getPropertyKeys(model).contains(property)) {
-            throw new PathNotFoundException("Path [" + property + "] not found in the current context:\n" + ctx.jsonProvider().toJson(model));
+            throw new PathNotFoundException("Path [" + property + "] not found in the current context" );
         }
         return ctx.jsonProvider().getProperty(model, property);
     }

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/PropertyPathToken.java

@@ -1,29 +1,32 @@
 package com.jayway.jsonpath.internal.spi.compiler;
 
 import com.jayway.jsonpath.PathNotFoundException;
+import com.jayway.jsonpath.internal.Utils;
+
+import java.util.List;
 
 /**
  *
  */
 class PropertyPathToken extends PathToken {
 
-    private final String property;
+    private final List<String> properties;
 
-    public PropertyPathToken(String property) {
-        this.property = property;
+    public PropertyPathToken(List<String> properties) {
+        this.properties = properties;
     }
 
-    public String getProperty() {
-        return property;
+    public List<String> getProperties() {
+        return properties;
     }
 
     @Override
     void evaluate(String currentPath, Object model, EvaluationContextImpl ctx) {
         if (!ctx.jsonProvider().isMap(model)) {
-            throw new PathNotFoundException("Property ['" + property + "'] not found in path " + currentPath);
+            throw new PathNotFoundException("Property " + getPathFragment() + " not found in path " + currentPath);
         }
 
-        handleObjectProperty(currentPath, model, ctx, property);
+        handleObjectProperty(currentPath, model, ctx, properties);
     }
 
     @Override
@@ -34,8 +37,8 @@ class PropertyPathToken extends PathToken {
     @Override
     public String getPathFragment() {
         return new StringBuilder()
-                .append("['")
-                .append(property)
-                .append("']").toString();
+                .append("[")
+                .append(Utils.join(", ", "'", properties))
+                .append("]").toString();
     }
 }

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/ScanPathToken.java

@@ -86,7 +86,6 @@ class ScanPathToken extends PathToken {
 
     private Predicate createScanPredicate(final PathToken target, final EvaluationContextImpl ctx) {
         if (target instanceof PropertyPathToken) {
-
             return new Predicate() {
                 private PropertyPathToken propertyPathToken = (PropertyPathToken) target;
 
@@ -98,7 +97,7 @@ class ScanPathToken extends PathToken {
                 @Override
                 public boolean matches(Object model) {
                     Collection<String> keys = ctx.jsonProvider().getPropertyKeys(model);
-                    return keys.contains(propertyPathToken.getProperty());
+                    return keys.containsAll(propertyPathToken.getProperties());
                 }
             };
         } else if (target instanceof ArrayPathToken) {

json-path/src/main/java/com/jayway/jsonpath/internal/spi/compiler/WildcardPathToken.java

@@ -1,5 +1,7 @@
 package com.jayway.jsonpath.internal.spi.compiler;
 
+import static java.util.Arrays.asList;
+
 /**
  *
  */
@@ -9,7 +11,7 @@ class WildcardPathToken extends PathToken {
     void evaluate(String currentPath, Object model, EvaluationContextImpl ctx) {
         if (ctx.jsonProvider().isMap(model)) {
             for (String property : ctx.jsonProvider().getPropertyKeys(model)) {
-                handleObjectProperty(currentPath, model, ctx, property);
+                handleObjectProperty(currentPath, model, ctx, asList(property));
             }
         } else if (ctx.jsonProvider().isArray(model)) {
             for (int idx = 0; idx < ctx.jsonProvider().length(model); idx++) {

json-path/src/main/java/com/jayway/jsonpath/internal/spi/json/JacksonProvider.java

@@ -16,6 +16,7 @@ package com.jayway.jsonpath.internal.spi.json;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectReader;
 import com.jayway.jsonpath.InvalidJsonException;
 import com.jayway.jsonpath.spi.json.Mode;
 import org.slf4j.Logger;
@@ -25,7 +26,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.Reader;
 import java.io.StringWriter;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -34,9 +35,9 @@ public class JacksonProvider extends AbstractJsonProvider {
 
     private static final Logger logger = LoggerFactory.getLogger(JacksonProvider.class);
 
-    private ObjectMapper objectMapper = new ObjectMapper();
+    private static final ObjectMapper objectMapper = new ObjectMapper();
+    private static final ObjectReader objectReader = objectMapper.reader().withType(Object.class);
 
-    @Override
     public Mode getMode() {
         return Mode.STRICT;
     }
@@ -44,7 +45,7 @@ public class JacksonProvider extends AbstractJsonProvider {
     @Override
     public Object parse(String json) throws InvalidJsonException {
         try {
-            return objectMapper.readValue(json, Object.class);
+            return objectReader.readValue(json);
         } catch (IOException e) {
             logger.debug("Invalid JSON: \n" + json);
             throw new InvalidJsonException(e);
@@ -54,7 +55,7 @@ public class JacksonProvider extends AbstractJsonProvider {
     @Override
     public Object parse(Reader jsonReader) throws InvalidJsonException {
         try {
-            return objectMapper.readValue(jsonReader, Object.class);
+            return objectReader.readValue(jsonReader);
         } catch (IOException e) {
             throw new InvalidJsonException(e);
         }
@@ -63,7 +64,7 @@ public class JacksonProvider extends AbstractJsonProvider {
     @Override
     public Object parse(InputStream jsonStream) throws InvalidJsonException {
         try {
-            return objectMapper.readValue(jsonStream, Object.class);
+            return objectReader.readValue(jsonStream);
         } catch (IOException e) {
             throw new InvalidJsonException(e);
         }
@@ -73,9 +74,11 @@ public class JacksonProvider extends AbstractJsonProvider {
     public String toJson(Object obj) {
         StringWriter writer = new StringWriter();
         try {
-            JsonGenerator jsonGenerator = objectMapper.getJsonFactory().createJsonGenerator(writer);
-            objectMapper.writeValue(jsonGenerator, obj);
+            JsonGenerator generator = objectMapper.getFactory().createGenerator(writer);
+            objectMapper.writeValue(generator, obj);
+            writer.flush();
             writer.close();
+            generator.close();
             return writer.getBuffer().toString();
         } catch (IOException e) {
             throw new InvalidJsonException();
@@ -84,7 +87,7 @@ public class JacksonProvider extends AbstractJsonProvider {
 
     @Override
     public Map<String, Object> createMap() {
-        return new HashMap<String, Object>();
+        return new LinkedHashMap<String, Object>();
     }
 
     @Override

json-path/src/main/java/com/jayway/jsonpath/spi/compiler/Path.java

@@ -6,10 +6,9 @@ import com.jayway.jsonpath.Configuration;
  *
  */
 public interface Path {
+
     EvaluationContext evaluate(Object model, Configuration configuration);
 
     boolean isDefinite();
 
-    int tokenCount();
-
 }

json-path/src/main/java/com/jayway/jsonpath/spi/json/JsonProviderFactory.java

@@ -14,12 +14,12 @@
  */
 package com.jayway.jsonpath.spi.json;
 
-import com.jayway.jsonpath.internal.spi.json.JsonSmartJsonProvider;
+import com.jayway.jsonpath.internal.spi.json.JacksonProvider;
 
 public abstract class JsonProviderFactory {
 
-    private static JsonProvider provider = new JsonSmartJsonProvider();
-    //private static JsonProvider provider = new JacksonProvider();
+    //private static JsonProvider provider = new JsonSmartJsonProvider();
+    private static JsonProvider provider = new JacksonProvider();
 
     public static JsonProvider createProvider() {
         return provider;

json-path/src/test/java/com/jayway/jsonpath/Runner.java

@@ -42,10 +42,10 @@ public class Runner {
 
     public static void main(String[] args) {
 
-        JsonPath jp = JsonPath.compile("$.store.book[3]");
+        JsonPath jp = JsonPath.compile("$.store.book[*].category");
         ReadContext readContext = JsonPath.parse(DOCUMENT);
         long start = System.currentTimeMillis();
-        for (long i = 0; i < 100000; i++) {
+        for (long i = 0; i < 50000000; i++) {
 
             readContext.read(jp);
         }