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pull/3/head
kalle 13 years ago
parent
commit
e53bd8a8ba
  1. 70
      json-path/src/main/java/com/jayway/jsonpath/JsonPath.java
  2. 8
      json-path/src/main/java/com/jayway/jsonpath/reader/PathTokenizer.java
  3. 6
      json-path/src/main/java/com/jayway/jsonpath/reader/filter/ArrayEvalFilter.java
  4. 8
      json-path/src/main/java/com/jayway/jsonpath/reader/filter/ArrayIndexFilter.java
  5. 14
      json-path/src/main/java/com/jayway/jsonpath/reader/filter/FieldFilter.java
  6. 8
      json-path/src/main/java/com/jayway/jsonpath/reader/filter/FilterFactory.java
  7. 38
      json-path/src/main/java/com/jayway/jsonpath/reader/filter/WildcardFilter.java
  8. 29
      json-path/src/test/java/com/jayway/jsonpath/JsonPathTest.java

70
json-path/src/main/java/com/jayway/jsonpath/JsonPath.java

@ -1,15 +1,16 @@
package com.jayway.jsonpath;
import com.jayway.jsonpath.filter.FilterOutput;
import com.jayway.jsonpath.filter.JsonPathFilterChain;
import net.minidev.json.JSONArray;
import net.minidev.json.JSONObject;
import com.jayway.jsonpath.reader.PathToken;
import com.jayway.jsonpath.reader.PathTokenizer;
import net.minidev.json.parser.JSONParser;
import net.minidev.json.parser.ParseException;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import java.util.regex.Pattern;
/**
* User: kalle stenflo
@ -84,7 +85,9 @@ public class JsonPath {
private static JSONParser JSON_PARSER = new JSONParser(JsonPath.mode);
private JsonPathFilterChain filters;
private static Pattern DEFINITE_PATH_PATTERN = Pattern.compile(".*(\\.\\.|\\*|\\[[\\\\/]|\\?|,|:\\s?\\]|\\[\\s?:|>|\\(|<|=|\\+).*");
private PathTokenizer tokenizer;
public static void setMode(int mode) {
if (mode != JsonPath.mode) {
@ -111,24 +114,71 @@ public class JsonPath {
throw new InvalidPathException("Invalid path");
}
this.filters = new JsonPathFilterChain(PathUtil.splitPath(jsonPath));
this.tokenizer = new PathTokenizer(jsonPath);
//this.filters = new JsonPathFilterChain(PathUtil.splitPath(jsonPath));
}
public String getPath() {
return this.tokenizer.getPath();
}
/**
* Applies this json path to the provided object
* Checks if a path points to a single item or if it potentially returns multiple items
* <p/>
* a path is considered <strong>not</strong> definite if it contains a scan fragment ".."
* or an array position fragment that is not based on a single index
* <p/>
* <p/>
* definite path examples are:
* <p/>
* $store.book
* $store.book[1].title
* <p/>
* not definite path examples are:
* <p/>
* $..book
* $.store.book[1,2]
* $.store.book[?(@.category = 'fiction')]
*
* @return true if path is definite (points to single item)
*/
public boolean isPathDefinite() {
//return !getPath().replaceAll("\"[^\"\\\\\\n\r]*\"", "").matches(".*(\\.\\.|\\*|\\[[\\\\/]|\\?|,|:\\s?\\]|\\[\\s?:|>|\\(|<|=|\\+).*");
String preparedPath = getPath().replaceAll("\"[^\"\\\\\\n\r]*\"", "");
return !DEFINITE_PATH_PATTERN.matcher(preparedPath).matches();
}
/**
* Applies this container path to the provided object
*
* @param json a json Object
* @param container a container Object
* @param <T>
* @return list of objects matched by the given path
*/
public <T> T read(Object json) {
FilterOutput filterOutput = filters.filter(json);
public <T> T read(Object container) {
if(!(container instanceof Map) && !(container instanceof List) ){
throw new IllegalArgumentException("Invalid container object");
}
Object result = container;
for (PathToken pathToken : tokenizer) {
result = pathToken.filter(result);
}
return (T)result;
/*
FilterOutput filterOutput = filters.filter(container);
if (filterOutput == null || filterOutput.getResult() == null) {
return null;
}
return (T) filterOutput.getResult();
*/
}
/**

8
json-path/src/main/java/com/jayway/jsonpath/reader/PathTokenizer.java

@ -14,6 +14,7 @@ import java.util.List;
*/
public class PathTokenizer implements Iterable<PathToken> {
private String path;
private char[] pathChars;
private int index = 0;
private List<PathToken> pathTokens = new LinkedList<PathToken>();
@ -23,13 +24,18 @@ public class PathTokenizer implements Iterable<PathToken> {
if (!jsonPath.startsWith("$") && !jsonPath.startsWith("$[")) {
jsonPath = "$." + jsonPath;
}
pathChars = jsonPath.toCharArray();
this.path = jsonPath;
this.pathChars = path.toCharArray();
for (String pathFragment : splitPath()) {
pathTokens.add(new PathToken(pathFragment));
}
}
public String getPath() {
return path;
}
public Iterator<PathToken> iterator() {
return pathTokens.iterator();
}

6
json-path/src/main/java/com/jayway/jsonpath/reader/filter/ArrayEvalFilter.java

@ -34,6 +34,8 @@ public class ArrayEvalFilter extends Filter {
ConditionStatement conditionStatement = createConditionStatement(trimmedCondition);
for (Object item : src) {
if (isMatch(item, conditionStatement)) {
result.add(item);
@ -83,6 +85,10 @@ public class ArrayEvalFilter extends Filter {
this.field = field;
this.operator = operator;
this.expected = expected;
if(this.expected.startsWith("'")){
this.expected = trim(this.expected, 1, 1);
}
}
public String getField() {

8
json-path/src/main/java/com/jayway/jsonpath/reader/filter/ArrayIndexFilter.java

@ -22,6 +22,13 @@ public class ArrayIndexFilter extends Filter {
String trimmedCondition = trim(condition, 1, 1);
if(trimmedCondition.contains("@.length")){
trimmedCondition = trim(trimmedCondition, 1, 1);
trimmedCondition = trimmedCondition.replace("@.length", "");
trimmedCondition = trimmedCondition + ":";
}
if (trimmedCondition.startsWith(":")) {
trimmedCondition = trim(trimmedCondition, 1, 0);
int get = Integer.parseInt(trimmedCondition);
@ -34,6 +41,7 @@ public class ArrayIndexFilter extends Filter {
trimmedCondition = trim(trimmedCondition, 1, 1);
int get = Integer.parseInt(trimmedCondition);
return src.get(src.size() - get);
} else {
String[] indexArr = trimmedCondition.split(",");

14
json-path/src/main/java/com/jayway/jsonpath/reader/filter/FieldFilter.java

@ -19,8 +19,18 @@ public class FieldFilter extends Filter {
public Object filter(Object obj) {
if (isList(obj)) {
List<Object> result = new LinkedList<Object>();
for (Object item : toList(obj)) {
result.add(filter(item));
for (Object current : toList(obj)) {
if (isMap(current)) {
Map<String, Object> map = toMap(current);
if (map.containsKey(condition)) {
Object o = map.get(condition);
if (isList(o)) {
result.addAll(toList(o));
} else {
result.add(map.get(condition));
}
}
}
}
return result;
} else {

8
json-path/src/main/java/com/jayway/jsonpath/reader/filter/FilterFactory.java

@ -12,10 +12,14 @@ public class FilterFactory {
public static Filter createFilter(String pathFragment) {
if ("$".equals(pathFragment) || "*".equals(pathFragment) || "[*]".equals(pathFragment)) {
if ("$".equals(pathFragment) || "[*]".equals(pathFragment)) {
return new PassThrewFilter(pathFragment);
} else if ("*".equals(pathFragment)) {
return new WildcardFilter(pathFragment);
} else if (pathFragment.contains("..")) {
return new ScanFilter(pathFragment);
@ -27,7 +31,7 @@ public class FilterFactory {
} else if (pathFragment.contains("[")) {
if (pathFragment.startsWith("[?")) {
if(!pathFragment.contains("=")){
if(!pathFragment.contains("=") && !pathFragment.contains("<") && !pathFragment.contains(">")){
//[?(@.isbn)]
return new HasFieldFilter(pathFragment);
} else {

38
json-path/src/main/java/com/jayway/jsonpath/reader/filter/WildcardFilter.java

@ -0,0 +1,38 @@
package com.jayway.jsonpath.reader.filter;
import com.jayway.jsonpath.JsonUtil;
import net.minidev.json.JSONArray;
import java.util.LinkedList;
import java.util.List;
/**
* Created by IntelliJ IDEA.
* User: kallestenflo
* Date: 11/7/11
* Time: 1:59 PM
*/
public class WildcardFilter extends Filter {
public WildcardFilter(String condition) {
super(condition);
}
@Override
public Object filter(Object obj) {
List<Object> result = new LinkedList<Object>();
if (isList(obj)) {
for (Object current : toList(obj)) {
for (Object value : toMap(current).values()) {
result.add(value);
}
}
} else {
for (Object value : toMap(obj).values()) {
result.add(value);
}
}
return result;
}
}

29
json-path/src/test/java/com/jayway/jsonpath/JsonPathTest.java

@ -196,7 +196,17 @@ public class JsonPathTest {
@Test
public void all_books_cheaper_than_10() throws Exception {
assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[?(@.price < 10)].title"), hasItems("Sayings of the Century", "Moby Dick"));
assertThat(JsonPath.<List<String>>read(DOCUMENT, "$..book[?(@.price<10)].title"), hasItems("Sayings of the Century", "Moby Dick"));
}
@Test
public void all_books() throws Exception {
//List<String> books = JsonPath.<List<String>>read(DOCUMENT, "$..book");
Object books = JsonPath.<List<String>>read(DOCUMENT, "$..book");
System.out.println("test");
}
@ -218,6 +228,7 @@ public class JsonPathTest {
public void all_books_with_category_reference() throws Exception {
assertThat(JsonPath.<List<String>>read(DOCUMENT, "$..book[?(@.category='reference')].title"), hasItems("Sayings of the Century"));
assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[?(@.category='reference')].title"), hasItems("Sayings of the Century"));
}
@ -226,27 +237,13 @@ public class JsonPathTest {
List<String> all = JsonPath.read(DOCUMENT, "$..*");
}
@Test
@Test(expected = IndexOutOfBoundsException.class)
public void access_index_out_of_bounds_does_not_throw_exception() throws Exception {
Object res = JsonPath.read(DOCUMENT, "$.store.book[100].author");
assertNull(res);
res = JsonPath.read(DOCUMENT, "$.store.book[1, 200].author");
assertThat((List<String>) res, hasItems("Evelyn Waugh"));
//assertNull(();
}
/*
@Test(expected = InvalidPathException.class)
public void invalid_space_path_throws_exception() throws Exception {
JsonPath.read(DOCUMENT, "space is not good");
}
*/
@Test(expected = InvalidPathException.class)
public void invalid_new_path_throws_exception() throws Exception {
JsonPath.read(DOCUMENT, "new ");

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