List of usage examples for com.google.gson JsonElement isJsonArray
public boolean isJsonArray()
From source file:com.facebook.ads.sdk.UserLeadGenDisclaimerResponse.java
License:Open Source License
public static APINodeList<UserLeadGenDisclaimerResponse> parseResponse(String json, APIContext context, APIRequest request) throws MalformedResponseException { APINodeList<UserLeadGenDisclaimerResponse> userLeadGenDisclaimerResponses = new APINodeList<UserLeadGenDisclaimerResponse>( request, json);/*w w w .j a v a 2 s . c o m*/ JsonArray arr; JsonObject obj; JsonParser parser = new JsonParser(); Exception exception = null; try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { userLeadGenDisclaimerResponses.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return userLeadGenDisclaimerResponses; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { if (obj.has("paging")) { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); String before = paging.has("before") ? paging.get("before").getAsString() : null; String after = paging.has("after") ? paging.get("after").getAsString() : null; userLeadGenDisclaimerResponses.setPaging(before, after); } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { userLeadGenDisclaimerResponses .add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); boolean isRedownload = false; for (String s : new String[] { "campaigns", "adsets", "ads" }) { if (obj.has(s)) { isRedownload = true; obj = obj.getAsJsonObject(s); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { userLeadGenDisclaimerResponses .add(loadJSON(entry.getValue().toString(), context)); } break; } } if (!isRedownload) { userLeadGenDisclaimerResponses.add(loadJSON(obj.toString(), context)); } } return userLeadGenDisclaimerResponses; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { userLeadGenDisclaimerResponses.add(loadJSON(entry.getValue().toString(), context)); } return userLeadGenDisclaimerResponses; } else { // Fifth, check if it's an array of objects indexed by id boolean isIdIndexedArray = true; for (Map.Entry entry : obj.entrySet()) { String key = (String) entry.getKey(); if (key.equals("__fb_trace_id__")) { continue; } JsonElement value = (JsonElement) entry.getValue(); if (value != null && value.isJsonObject() && value.getAsJsonObject().has("id") && value.getAsJsonObject().get("id") != null && value.getAsJsonObject().get("id").getAsString().equals(key)) { userLeadGenDisclaimerResponses.add(loadJSON(value.toString(), context)); } else { isIdIndexedArray = false; break; } } if (isIdIndexedArray) { return userLeadGenDisclaimerResponses; } // Sixth, check if it's pure JsonObject userLeadGenDisclaimerResponses.clear(); userLeadGenDisclaimerResponses.add(loadJSON(json, context)); return userLeadGenDisclaimerResponses; } } } catch (Exception e) { exception = e; } throw new MalformedResponseException("Invalid response string: " + json, exception); }
From source file:com.facebook.ads.sdk.UserLeadGenFieldData.java
License:Open Source License
public static APINodeList<UserLeadGenFieldData> parseResponse(String json, APIContext context, APIRequest request) throws MalformedResponseException { APINodeList<UserLeadGenFieldData> userLeadGenFieldDatas = new APINodeList<UserLeadGenFieldData>(request, json);/*from w w w . j a v a 2 s .com*/ JsonArray arr; JsonObject obj; JsonParser parser = new JsonParser(); Exception exception = null; try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { userLeadGenFieldDatas.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return userLeadGenFieldDatas; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { if (obj.has("paging")) { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); String before = paging.has("before") ? paging.get("before").getAsString() : null; String after = paging.has("after") ? paging.get("after").getAsString() : null; userLeadGenFieldDatas.setPaging(before, after); } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { userLeadGenFieldDatas.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); boolean isRedownload = false; for (String s : new String[] { "campaigns", "adsets", "ads" }) { if (obj.has(s)) { isRedownload = true; obj = obj.getAsJsonObject(s); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { userLeadGenFieldDatas.add(loadJSON(entry.getValue().toString(), context)); } break; } } if (!isRedownload) { userLeadGenFieldDatas.add(loadJSON(obj.toString(), context)); } } return userLeadGenFieldDatas; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { userLeadGenFieldDatas.add(loadJSON(entry.getValue().toString(), context)); } return userLeadGenFieldDatas; } else { // Fifth, check if it's an array of objects indexed by id boolean isIdIndexedArray = true; for (Map.Entry entry : obj.entrySet()) { String key = (String) entry.getKey(); if (key.equals("__fb_trace_id__")) { continue; } JsonElement value = (JsonElement) entry.getValue(); if (value != null && value.isJsonObject() && value.getAsJsonObject().has("id") && value.getAsJsonObject().get("id") != null && value.getAsJsonObject().get("id").getAsString().equals(key)) { userLeadGenFieldDatas.add(loadJSON(value.toString(), context)); } else { isIdIndexedArray = false; break; } } if (isIdIndexedArray) { return userLeadGenFieldDatas; } // Sixth, check if it's pure JsonObject userLeadGenFieldDatas.clear(); userLeadGenFieldDatas.add(loadJSON(json, context)); return userLeadGenFieldDatas; } } } catch (Exception e) { exception = e; } throw new MalformedResponseException("Invalid response string: " + json, exception); }
From source file:com.facebook.ads.sdk.VideoThumbnail.java
License:Open Source License
public static APINodeList<VideoThumbnail> parseResponse(String json, APIContext context, APIRequest request) throws MalformedResponseException { APINodeList<VideoThumbnail> videoThumbnails = new APINodeList<VideoThumbnail>(request, json); JsonArray arr;//from w w w. j a v a 2 s. c o m JsonObject obj; JsonParser parser = new JsonParser(); Exception exception = null; try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { videoThumbnails.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return videoThumbnails; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { if (obj.has("paging")) { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); String before = paging.has("before") ? paging.get("before").getAsString() : null; String after = paging.has("after") ? paging.get("after").getAsString() : null; videoThumbnails.setPaging(before, after); } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { videoThumbnails.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); boolean isRedownload = false; for (String s : new String[] { "campaigns", "adsets", "ads" }) { if (obj.has(s)) { isRedownload = true; obj = obj.getAsJsonObject(s); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { videoThumbnails.add(loadJSON(entry.getValue().toString(), context)); } break; } } if (!isRedownload) { videoThumbnails.add(loadJSON(obj.toString(), context)); } } return videoThumbnails; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { videoThumbnails.add(loadJSON(entry.getValue().toString(), context)); } return videoThumbnails; } else { // Fifth, check if it's an array of objects indexed by id boolean isIdIndexedArray = true; for (Map.Entry entry : obj.entrySet()) { String key = (String) entry.getKey(); if (key.equals("__fb_trace_id__")) { continue; } JsonElement value = (JsonElement) entry.getValue(); if (value != null && value.isJsonObject() && value.getAsJsonObject().has("id") && value.getAsJsonObject().get("id") != null && value.getAsJsonObject().get("id").getAsString().equals(key)) { videoThumbnails.add(loadJSON(value.toString(), context)); } else { isIdIndexedArray = false; break; } } if (isIdIndexedArray) { return videoThumbnails; } // Sixth, check if it's pure JsonObject videoThumbnails.clear(); videoThumbnails.add(loadJSON(json, context)); return videoThumbnails; } } } catch (Exception e) { exception = e; } throw new MalformedResponseException("Invalid response string: " + json, exception); }
From source file:com.facebook.ads.sdk.WebAppLink.java
License:Open Source License
public static APINodeList<WebAppLink> parseResponse(String json, APIContext context, APIRequest request) throws MalformedResponseException { APINodeList<WebAppLink> webAppLinks = new APINodeList<WebAppLink>(request, json); JsonArray arr;//from ww w. j av a 2s . c o m JsonObject obj; JsonParser parser = new JsonParser(); Exception exception = null; try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { webAppLinks.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return webAppLinks; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { if (obj.has("paging")) { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); String before = paging.has("before") ? paging.get("before").getAsString() : null; String after = paging.has("after") ? paging.get("after").getAsString() : null; webAppLinks.setPaging(before, after); } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { webAppLinks.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); boolean isRedownload = false; for (String s : new String[] { "campaigns", "adsets", "ads" }) { if (obj.has(s)) { isRedownload = true; obj = obj.getAsJsonObject(s); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { webAppLinks.add(loadJSON(entry.getValue().toString(), context)); } break; } } if (!isRedownload) { webAppLinks.add(loadJSON(obj.toString(), context)); } } return webAppLinks; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { webAppLinks.add(loadJSON(entry.getValue().toString(), context)); } return webAppLinks; } else { // Fifth, check if it's an array of objects indexed by id boolean isIdIndexedArray = true; for (Map.Entry entry : obj.entrySet()) { String key = (String) entry.getKey(); if (key.equals("__fb_trace_id__")) { continue; } JsonElement value = (JsonElement) entry.getValue(); if (value != null && value.isJsonObject() && value.getAsJsonObject().has("id") && value.getAsJsonObject().get("id") != null && value.getAsJsonObject().get("id").getAsString().equals(key)) { webAppLinks.add(loadJSON(value.toString(), context)); } else { isIdIndexedArray = false; break; } } if (isIdIndexedArray) { return webAppLinks; } // Sixth, check if it's pure JsonObject webAppLinks.clear(); webAppLinks.add(loadJSON(json, context)); return webAppLinks; } } } catch (Exception e) { exception = e; } throw new MalformedResponseException("Invalid response string: " + json, exception); }
From source file:com.facebook.ads.sdk.WindowsAppLink.java
License:Open Source License
public static APINodeList<WindowsAppLink> parseResponse(String json, APIContext context, APIRequest request) throws MalformedResponseException { APINodeList<WindowsAppLink> windowsAppLinks = new APINodeList<WindowsAppLink>(request, json); JsonArray arr;/* ww w .j a v a 2s . c om*/ JsonObject obj; JsonParser parser = new JsonParser(); Exception exception = null; try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { windowsAppLinks.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return windowsAppLinks; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { if (obj.has("paging")) { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); String before = paging.has("before") ? paging.get("before").getAsString() : null; String after = paging.has("after") ? paging.get("after").getAsString() : null; windowsAppLinks.setPaging(before, after); } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { windowsAppLinks.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); boolean isRedownload = false; for (String s : new String[] { "campaigns", "adsets", "ads" }) { if (obj.has(s)) { isRedownload = true; obj = obj.getAsJsonObject(s); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { windowsAppLinks.add(loadJSON(entry.getValue().toString(), context)); } break; } } if (!isRedownload) { windowsAppLinks.add(loadJSON(obj.toString(), context)); } } return windowsAppLinks; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { windowsAppLinks.add(loadJSON(entry.getValue().toString(), context)); } return windowsAppLinks; } else { // Fifth, check if it's an array of objects indexed by id boolean isIdIndexedArray = true; for (Map.Entry entry : obj.entrySet()) { String key = (String) entry.getKey(); if (key.equals("__fb_trace_id__")) { continue; } JsonElement value = (JsonElement) entry.getValue(); if (value != null && value.isJsonObject() && value.getAsJsonObject().has("id") && value.getAsJsonObject().get("id") != null && value.getAsJsonObject().get("id").getAsString().equals(key)) { windowsAppLinks.add(loadJSON(value.toString(), context)); } else { isIdIndexedArray = false; break; } } if (isIdIndexedArray) { return windowsAppLinks; } // Sixth, check if it's pure JsonObject windowsAppLinks.clear(); windowsAppLinks.add(loadJSON(json, context)); return windowsAppLinks; } } } catch (Exception e) { exception = e; } throw new MalformedResponseException("Invalid response string: " + json, exception); }
From source file:com.facebook.ads.sdk.WindowsPhoneAppLink.java
License:Open Source License
public static APINodeList<WindowsPhoneAppLink> parseResponse(String json, APIContext context, APIRequest request) throws MalformedResponseException { APINodeList<WindowsPhoneAppLink> windowsPhoneAppLinks = new APINodeList<WindowsPhoneAppLink>(request, json); JsonArray arr;/* w w w . j a v a 2 s. co m*/ JsonObject obj; JsonParser parser = new JsonParser(); Exception exception = null; try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { windowsPhoneAppLinks.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return windowsPhoneAppLinks; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { if (obj.has("paging")) { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); String before = paging.has("before") ? paging.get("before").getAsString() : null; String after = paging.has("after") ? paging.get("after").getAsString() : null; windowsPhoneAppLinks.setPaging(before, after); } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { windowsPhoneAppLinks.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); boolean isRedownload = false; for (String s : new String[] { "campaigns", "adsets", "ads" }) { if (obj.has(s)) { isRedownload = true; obj = obj.getAsJsonObject(s); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { windowsPhoneAppLinks.add(loadJSON(entry.getValue().toString(), context)); } break; } } if (!isRedownload) { windowsPhoneAppLinks.add(loadJSON(obj.toString(), context)); } } return windowsPhoneAppLinks; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { windowsPhoneAppLinks.add(loadJSON(entry.getValue().toString(), context)); } return windowsPhoneAppLinks; } else { // Fifth, check if it's an array of objects indexed by id boolean isIdIndexedArray = true; for (Map.Entry entry : obj.entrySet()) { String key = (String) entry.getKey(); if (key.equals("__fb_trace_id__")) { continue; } JsonElement value = (JsonElement) entry.getValue(); if (value != null && value.isJsonObject() && value.getAsJsonObject().has("id") && value.getAsJsonObject().get("id") != null && value.getAsJsonObject().get("id").getAsString().equals(key)) { windowsPhoneAppLinks.add(loadJSON(value.toString(), context)); } else { isIdIndexedArray = false; break; } } if (isIdIndexedArray) { return windowsPhoneAppLinks; } // Sixth, check if it's pure JsonObject windowsPhoneAppLinks.clear(); windowsPhoneAppLinks.add(loadJSON(json, context)); return windowsPhoneAppLinks; } } } catch (Exception e) { exception = e; } throw new MalformedResponseException("Invalid response string: " + json, exception); }
From source file:com.facebook.buck.intellij.ideabuck.build.BuckQueryCommandHandler.java
License:Apache License
@Override protected void notifyLines(Key outputType, Iterable<String> lines) { super.notifyLines(outputType, lines); if (outputType == ProcessOutputTypes.STDOUT) { List<String> targetList = new LinkedList<String>(); for (String outputLine : lines) { if (!outputLine.isEmpty()) { JsonElement jsonElement = new JsonParser().parse(outputLine); if (jsonElement.isJsonArray()) { JsonArray targets = jsonElement.getAsJsonArray(); for (JsonElement target : targets) { targetList.add(target.getAsString()); }// w w w . j a v a 2 s . c o m } } } actionsToExecute.apply(targetList); } }
From source file:com.facebook.buck.intellij.plugin.build.BuckQueryCommandHandler.java
License:Apache License
@Override protected void notifyLines(Key outputType, Iterator<String> lines, StringBuilder lineBuilder) { super.notifyLines(outputType, lines, lineBuilder); if (outputType == ProcessOutputTypes.STDOUT) { List<String> targetList = new LinkedList<String>(); while (lines.hasNext()) { String outputLine = lines.next(); if (!outputLine.isEmpty()) { JsonElement jsonElement = new JsonParser().parse(outputLine); if (jsonElement.isJsonArray()) { JsonArray targets = jsonElement.getAsJsonArray(); for (JsonElement target : targets) { targetList.add(target.getAsString()); }//from w w w . j a va 2 s. c o m } } } actionsToExecute.apply(targetList); } }
From source file:com.facebook.buck.json.RawParser.java
License:Apache License
/** * @return One of: String, Boolean, Long, Number, List<Object>, Map<String, Object>. *///from w ww .j ava2s. c o m @Nullable @VisibleForTesting static Object toRawTypes(JsonElement json) { // Cases are ordered from most common to least common. if (json.isJsonPrimitive()) { JsonPrimitive primitive = json.getAsJsonPrimitive(); if (primitive.isString()) { return interner.intern(primitive.getAsString()); } else if (primitive.isBoolean()) { return primitive.getAsBoolean(); } else if (primitive.isNumber()) { Number number = primitive.getAsNumber(); // Number is likely an instance of class com.google.gson.internal.LazilyParsedNumber. if (number.longValue() == number.doubleValue()) { return number.longValue(); } else { return number; } } else { throw new IllegalStateException("Unknown primitive type: " + primitive); } } else if (json.isJsonArray()) { JsonArray array = json.getAsJsonArray(); List<Object> out = Lists.newArrayListWithCapacity(array.size()); for (JsonElement item : array) { out.add(toRawTypes(item)); } return out; } else if (json.isJsonObject()) { Map<String, Object> out = new LinkedHashMap<>(json.getAsJsonObject().entrySet().size()); for (Map.Entry<String, JsonElement> entry : json.getAsJsonObject().entrySet()) { // On a large project, without invoking intern(), we have seen `buck targets` OOM. When this // happened, according to the .hprof file generated using -XX:+HeapDumpOnOutOfMemoryError, // 39.6% of the memory was spent on char[] objects while 14.5% was spent on Strings. // (Another 10.5% was spent on java.util.HashMap$Entry.) Introducing intern() stopped the // OOM from happening. out.put(interner.intern(entry.getKey()), toRawTypes(entry.getValue())); } return out; } else if (json.isJsonNull()) { return null; } else { throw new IllegalStateException("Unknown type: " + json); } }
From source file:com.flipkart.android.proteus.builder.LayoutBuilderFactory.java
License:Apache License
protected void registerFormatter(DataParsingLayoutBuilder layoutBuilder) { Formatter NumberFormatter = new Formatter() { private DecimalFormat formatter; @Override/* w w w . j ava 2s . c om*/ public String format(JsonElement elementValue) { double valueAsNumber; try { valueAsNumber = Double.parseDouble(elementValue.getAsString()); } catch (NumberFormatException e) { return elementValue.toString(); } formatter = new DecimalFormat("#,###"); if (Build.VERSION.SDK_INT > Build.VERSION_CODES.GINGERBREAD) { formatter.setRoundingMode(RoundingMode.FLOOR); } formatter.setMinimumFractionDigits(0); formatter.setMaximumFractionDigits(2); return formatter.format(valueAsNumber); } @Override public String getName() { return "number"; } }; Formatter DateFormatter = new Formatter() { @SuppressLint("SimpleDateFormat") private SimpleDateFormat from = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); @SuppressLint("SimpleDateFormat") private SimpleDateFormat to = new SimpleDateFormat("d MMM, E"); @Override public String format(JsonElement elementValue) { try { // 2015-06-18 12:01:37 Date date = from.parse(elementValue.getAsString()); return to.format(date); } catch (Exception e) { return elementValue.toString(); } } @Override public String getName() { return "date"; } }; Formatter IndexFormatter = new Formatter() { @Override public String format(JsonElement elementValue) { int valueAsNumber; try { valueAsNumber = Integer.parseInt(elementValue.getAsString()); } catch (NumberFormatException e) { return elementValue.toString(); } return String.valueOf(valueAsNumber + 1); } @Override public String getName() { return "index"; } }; Formatter joinFormatter = new Formatter() { @Override public String format(JsonElement elementValue) { if (elementValue.isJsonArray()) { return Utils.getStringFromArray(elementValue.getAsJsonArray(), ","); } else { return elementValue.toString(); } } @Override public String getName() { return "join"; } }; layoutBuilder.registerFormatter(NumberFormatter); layoutBuilder.registerFormatter(DateFormatter); layoutBuilder.registerFormatter(IndexFormatter); layoutBuilder.registerFormatter(joinFormatter); }