List of usage examples for com.fasterxml.jackson.core JsonToken FIELD_NAME
JsonToken FIELD_NAME
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From source file:com.github.shyiko.jackson.module.advice.AdvisedBeanDeserializer.java
/** * Method called to deserialize bean using "property-based creator": * this means that a non-default constructor or factory method is * called, and then possibly other setters. The trick is that * values for creator method need to be buffered, first; and * due to non-guaranteed ordering possibly some other properties * as well.//ww w.ja va 2 s .co m */ @Override @SuppressWarnings("resource") protected Object _deserializeUsingPropertyBased(final JsonParser jp, final DeserializationContext ctxt) throws IOException { final PropertyBasedCreator creator = _propertyBasedCreator; PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt, _objectIdReader); // 04-Jan-2010, tatu: May need to collect unknown properties for polymorphic cases TokenBuffer unknown = null; JsonToken t = jp.getCurrentToken(); for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) { String propName = jp.getCurrentName(); jp.nextToken(); // to point to value // creator property? SettableBeanProperty creatorProp = creator.findCreatorProperty(propName); if (creatorProp != null) { // Last creator property to set? Object value = creatorProp.deserialize(jp, ctxt); if (buffer.assignParameter(creatorProp.getCreatorIndex(), value)) { jp.nextToken(); // to move to following FIELD_NAME/END_OBJECT Object bean; try { bean = creator.build(ctxt, buffer); } catch (Exception e) { wrapAndThrow(e, _beanType.getRawClass(), propName, ctxt); bean = null; // never gets here } // polymorphic? if (bean.getClass() != _beanType.getRawClass()) { return handlePolymorphic(jp, ctxt, bean, unknown); } if (unknown != null) { // nope, just extra unknown stuff... bean = handleUnknownProperties(ctxt, bean, unknown); } // or just clean? return deserialize(jp, ctxt, bean); } continue; } // Object Id property? if (buffer.readIdProperty(propName)) { continue; } // regular property? needs buffering SettableBeanProperty prop = _beanProperties.find(propName); if (prop != null) { buffer.bufferProperty(prop, prop.deserialize(jp, ctxt)); continue; } // As per [JACKSON-313], things marked as ignorable should not be // passed to any setter if (_ignorableProps != null && _ignorableProps.contains(propName)) { handleIgnoredProperty(jp, ctxt, handledType(), propName); continue; } // "any property"? if (_anySetter != null) { buffer.bufferAnyProperty(_anySetter, propName, _anySetter.deserialize(jp, ctxt)); continue; } // Ok then, let's collect the whole field; name and value if (unknown == null) { unknown = new TokenBuffer(jp); } unknown.writeFieldName(propName); unknown.copyCurrentStructure(jp); } // We hit END_OBJECT, so: Object bean; try { bean = creator.build(ctxt, buffer); } catch (Exception e) { wrapInstantiationProblem(e, ctxt); bean = null; // never gets here } if (unknown != null) { // polymorphic? if (bean.getClass() != _beanType.getRawClass()) { return handlePolymorphic(null, ctxt, bean, unknown); } // no, just some extra unknown properties return handleUnknownProperties(ctxt, bean, unknown); } return bean; }
From source file:com.quinsoft.zeidon.standardoe.ActivateOisFromJsonStream.java
private void readEntity(String entityName) throws Exception { // Keeps track of whether the entity list starts with a [ or not. If there // is no [ then we are done reading entities of this type when we find the // end of the object. boolean entityArray = false; int twinCount = 0; JsonToken token = jp.getCurrentToken(); if (token == JsonToken.START_ARRAY) { token = jp.nextToken();/*from ww w . jav a 2 s. co m*/ entityArray = true; // Entity list started with [ } assert token == JsonToken.START_OBJECT; EntityDef entityDef = lodDef.getEntityDef(entityName, true, true); // Read tokens until we find the token that ends the current list of entities. while ((token = jp.nextToken()) != null) { twinCount++; if (token == JsonToken.END_ARRAY) break; if (token == JsonToken.END_OBJECT) { // If we get here then this should indicate an empty OI. Get the next // token, verify that it's an END_ARRAY, and return. token = jp.nextToken(); assert token == JsonToken.END_ARRAY; break; } // If there are multiple twins then the token is START_OBJECT to // indicate a new EI. if (token == JsonToken.START_OBJECT) { assert twinCount > 1; // Assert that we already created at least one EI. token = jp.nextToken(); } assert token == JsonToken.FIELD_NAME; EntityInstanceImpl ei = (EntityInstanceImpl) view.cursor(entityDef).createEntity(CursorPosition.LAST, CREATE_FLAGS); List<AttributeMeta> attributeMetas = new ArrayList<>(); // Read tokens until we find the token that ends the current entity. EntityMeta entityMeta = DEFAULT_ENTITY_META; while ((token = jp.nextToken()) != JsonToken.END_OBJECT) { String fieldName = jp.getCurrentName(); if (token == JsonToken.FIELD_NAME || token == JsonToken.START_OBJECT) token = jp.nextToken(); if (StringUtils.equals(fieldName, ".meta")) { entityMeta = readEntityMeta(ei); // Now that we have everything we can perform some processing. if (entityMeta.isLinkedSource) linkSources.put(entityMeta.entityKey, ei); else if (entityMeta.linkedSource != null) ei.linkInstances(linkSources.get(entityMeta.linkedSource)); continue; } if (fieldName.startsWith(".")) { AttributeMeta am = readAttributeMeta(ei, fieldName); attributeMetas.add(am); continue; } // Is this the start of an entity. if (token == JsonToken.START_ARRAY || token == JsonToken.START_OBJECT) { boolean recursiveChild = false; // Validate that the entity name is valid. EntityDef childEntity = lodDef.getEntityDef(fieldName, true, true); if (childEntity.getParent() != entityDef) { // Check to see the childEntity is a recursive child. if (entityDef.isRecursive()) { view.cursor(entityDef).setToSubobject(); recursiveChild = true; } else throw new ZeidonException("Parse error: %s is not a child of %s", fieldName, entityName); } readEntity(fieldName); if (recursiveChild) view.resetSubobject(); continue; } if (StringUtils.equals(jp.getText(), fieldName)) // If jp points to attr name, get next token. token = jp.nextToken(); // This better be an attribute // Try getting the attribute. We won't throw an exception (yet) if there // is no attribute with a matching name. AttributeDef attributeDef = entityDef.getAttribute(fieldName, false, true); if (attributeDef == null) { // We didn't find an attribute with a name matching fieldName. Do we allow // dynamic attributes for this entity? if (options.getAllowableDynamicEntities() == null || !options.getAllowableDynamicEntities().contains(entityDef.getName())) { entityDef.getAttribute(fieldName); // This will throw the exception. } // We are allowing dynamic attributes. Create one. DynamicAttributeDefConfiguration config = new DynamicAttributeDefConfiguration(); config.setAttributeName(fieldName); attributeDef = entityDef.createDynamicAttributeDef(config); } else if (attributeDef.isDerived()) // We'll ignore derived attributes. continue; Domain domain = attributeDef.getDomain(); Object internalValue = domain.convertExternalValue(task, ei.getAttribute(attributeDef), attributeDef, null, jp.getText()); ei.getAttribute(attributeDef).setInternalValue(internalValue, !attributeDef.isKey()); if (incremental) { // Since incremental flags are set, assume the attribute hasn't been // updated. We'll be told later if it has. AttributeValue attrib = ei.getInternalAttribute(attributeDef); attrib.setUpdated(false); } else { // If we just set the key then we'll assume the entity has // already been created. if (attributeDef.isKey()) ei.setIncrementalFlags(IncrementalEntityFlags.UPDATED); } } // while ( ( token = jp.nextToken() ) != JsonToken.END_OBJECT )... // Apply all the attribute metas to correctly set the attribute flags. for (AttributeMeta am : attributeMetas) am.apply(ei); // Now that we've updated everything, set the flags. if (incremental) { ei.setCreated(entityMeta.created); ei.setUpdated(entityMeta.updated); ei.setDeleted(entityMeta.deleted); ei.setIncluded(entityMeta.included); ei.setExcluded(entityMeta.excluded); if (entityMeta.incomplete) ei.setIncomplete(null); if (entityMeta.lazyLoaded != null) { String[] names = entityMeta.lazyLoaded.split(","); for (String name : names) ei.getEntitiesLoadedLazily().add(lodDef.getEntityDef(name, true, true)); } } // If the entity list didn't start with a [ then there is only one entity // in the list of twins so exit. if (entityArray == false) break; } // while ( ( token = jp.nextToken() ) != null )... }
From source file:com.cedarsoft.serialization.jackson.AbstractJacksonSerializer.java
@Nonnull protected <T> T deserialize(@Nonnull Class<T> type, @Nonnull String propertyName, @Nonnull Version formatVersion, @Nonnull JsonParser deserializeFrom) throws IOException, JsonProcessingException { JacksonParserWrapper parserWrapper = new JacksonParserWrapper(deserializeFrom); parserWrapper.nextToken();//w w w . ja v a 2s . c o m parserWrapper.verifyCurrentToken(JsonToken.FIELD_NAME); String currentName = parserWrapper.getCurrentName(); if (!propertyName.equals(currentName)) { throw new JsonParseException( "Invalid field. Expected <" + propertyName + "> but was <" + currentName + ">", parserWrapper.getCurrentLocation()); } parserWrapper.nextToken(); return deserialize(type, formatVersion, deserializeFrom); }
From source file:net.opentsdb.utils.TestJSON.java
/** Helper to parse an input stream into a map */ private HashMap<String, String> parseToMap(final InputStream is) throws Exception { JsonParser jp = JSON.parseToStream(is); HashMap<String, String> map = new HashMap<String, String>(); String field = ""; String value;//from w w w. ja va 2 s . co m while (jp.nextToken() != null) { if (jp.getCurrentToken() == JsonToken.FIELD_NAME && jp.getCurrentName() != null) { field = jp.getCurrentName(); } else if (jp.getCurrentToken() == JsonToken.VALUE_STRING) { value = jp.getText(); map.put(field, value); } } return map; }
From source file:org.apache.lucene.server.handlers.AddDocumentHandler.java
/** Parses the fields, which should look like {field1: * ..., field2: ..., ...} *///w w w .jav a 2s .c om public static void parseFields(IndexState state, Document doc, JsonParser p) throws IOException { JsonToken token = p.nextToken(); if (token != JsonToken.START_OBJECT) { throw new IllegalArgumentException("fields should be an object"); } while (true) { token = p.nextToken(); if (token == JsonToken.END_OBJECT) { break; } assert token == JsonToken.FIELD_NAME; parseOneField(p, state, doc, p.getText()); } }
From source file:net.opentsdb.utils.TestJSON.java
/** Helper to parse an input stream into a map */ private HashMap<String, String> parseToMap(final JsonParser jp) throws Exception { HashMap<String, String> map = new HashMap<String, String>(); String field = ""; String value;//ww w .ja va 2 s .c o m while (jp.nextToken() != null) { if (jp.getCurrentToken() == JsonToken.FIELD_NAME && jp.getCurrentName() != null) { field = jp.getCurrentName(); } else if (jp.getCurrentToken() == JsonToken.VALUE_STRING) { value = jp.getText(); map.put(field, value); } } return map; }
From source file:org.apache.lucene.server.handlers.AddDocumentHandler.java
/** Parse a Document using Jackson's streaming parser * API. The document should look like {indexName: 'foo', * fields: {..., ...}} *//*from w ww .ja v a2 s.co m*/ public static Document parseDocument(IndexState state, JsonParser p) throws IOException { JsonToken token = p.nextToken(); if (token == JsonToken.END_ARRAY) { // nocommit hackish.. caller should tell us this means "end"? return null; } else if (token != JsonToken.START_OBJECT) { throw new IllegalArgumentException("expected JSON Object"); } final Document doc = new Document(); while (true) { token = p.nextToken(); if (token == JsonToken.END_OBJECT) { break; } assert token == JsonToken.FIELD_NAME : token; String fieldName = p.getText(); if (fieldName.equals("fields")) { parseFields(state, doc, p); } else { // Let a plugin handle it: boolean handled = false; for (PostHandle postHandle : postHandlers) { if (postHandle.invoke(state, fieldName, p, doc)) { handled = true; break; } } if (!handled) { throw new IllegalArgumentException("unrecognized field " + p.getText()); } } // nocommit need test that same field name can't // appear more than once? app must put all values for // a given field into an array (for a multi-valued // field) } return doc; }
From source file:com.bazaarvoice.jackson.rison.RisonParser.java
/** * @return Next token from the stream, if any found, or null * to indicate end-of-input//from www . j a v a 2s .co m */ @Override public JsonToken nextToken() throws IOException, JsonParseException { _numTypesValid = NR_UNKNOWN; if (_currToken == null && _parsingContext.inRoot()) { if (isRisonEnabled(Feature.A_RISON)) { _parsingContext = _parsingContext.createChildArrayContext(_tokenInputRow, _tokenInputCol); return (_currToken = JsonToken.START_ARRAY); } else if (isRisonEnabled(Feature.O_RISON)) { _parsingContext = _parsingContext.createChildObjectContext(_tokenInputRow, _tokenInputCol); return (_currToken = JsonToken.START_OBJECT); } } /* First: field names are special -- we will always tokenize * (part of) value along with field name to simplify * state handling. If so, can and need to use secondary token: */ if (_currToken == JsonToken.FIELD_NAME) { return _nextAfterName(); } if (_tokenIncomplete) { _skipString(); // only strings can be partial } int i = _nextChOrEnd(); if (i < 0) { // end-of-input /* 19-Feb-2009, tatu: Should actually close/release things * like input source, symbol table and recyclable buffers now. */ close(); if (_parsingContext.getParent().inRoot()) { if (isRisonEnabled(Feature.A_RISON) && _parsingContext.inArray()) { _parsingContext = _parsingContext.getParent(); return (_currToken = JsonToken.END_ARRAY); } if (isRisonEnabled(Feature.O_RISON) && _parsingContext.inObject()) { _parsingContext = _parsingContext.getParent(); return (_currToken = JsonToken.END_OBJECT); } } _handleEOF(); return (_currToken = null); } /* First, need to ensure we know the starting location of token * after skipping leading white space */ _tokenInputTotal = _currInputProcessed + _inputPtr - 1; _tokenInputRow = _currInputRow; _tokenInputCol = _inputPtr - _currInputRowStart - 1; // finally: clear any data retained so far _binaryValue = null; // Closing scope? if (i == ')') { if (_parsingContext.inArray()) { _parsingContext = _parsingContext.getParent(); return (_currToken = JsonToken.END_ARRAY); } if (_parsingContext.inObject()) { _parsingContext = _parsingContext.getParent(); return (_currToken = JsonToken.END_OBJECT); } _reportMismatchedEndMarker(i, ')'); } // Nope: do we then expect a comma? if (_parsingContext.expectComma()) { if (i != INT_COMMA) { _reportUnexpectedChar(i, "was expecting comma to separate " + _parsingContext.getTypeDesc() + " entries"); } i = _nextCh(); } /* And should we now have a name? Always true for * Object contexts, since the intermediate 'expect-value' * state is never retained. */ boolean inObject = _parsingContext.inObject(); if (inObject) { // First, field name itself: String name; if (i != INT_APOSTROPHE) { name = _parseUnquotedFieldName(i); } else { name = _parseFieldName(i); } _parsingContext.setCurrentName(name); _currToken = JsonToken.FIELD_NAME; i = _nextCh(); if (i != INT_COLON) { _reportUnexpectedChar(i, "was expecting a colon to separate field name and value"); } i = _nextCh(); } // Ok: we must have a value... what is it? JsonToken t; switch (i) { case INT_APOSTROPHE: _tokenIncomplete = true; t = JsonToken.VALUE_STRING; break; case '(': if (!inObject) { _parsingContext = _parsingContext.createChildObjectContext(_tokenInputRow, _tokenInputCol); } t = JsonToken.START_OBJECT; break; case ')': // Error: ')' is not valid at this point; valid closers have // been handled earlier _reportUnexpectedChar(i, "expected a value"); case INT_MINUS: /* Should we have separate handling for plus? Although * it is not allowed per se, it may be erroneously used, * and could be indicate by a more specific error message. */ case INT_0: case INT_1: case INT_2: case INT_3: case INT_4: case INT_5: case INT_6: case INT_7: case INT_8: case INT_9: t = parseNumberText(i); break; case '!': i = _nextCh(); switch (i) { case '(': if (!inObject) { _parsingContext = _parsingContext.createChildArrayContext(_tokenInputRow, _tokenInputCol); } t = JsonToken.START_ARRAY; break; case INT_t: t = JsonToken.VALUE_TRUE; break; case INT_f: t = JsonToken.VALUE_FALSE; break; case INT_n: t = JsonToken.VALUE_NULL; break; default: t = _handleUnexpectedValue(i); break; } break; default: if (IdentifierUtils.isIdStartLenient(i)) { t = JsonToken.VALUE_STRING; _inputPtr--; // push back the first char _parseUnquotedString(); } else { t = _handleUnexpectedValue(i); } break; } if (inObject) { _nextToken = t; return _currToken; } _currToken = t; return t; }
From source file:com.adobe.communities.ugc.migration.importer.UGCImportHelper.java
public void importQnaContent(final JsonParser jsonParser, final Resource resource, final ResourceResolver resolver) throws ServletException, IOException { if (jsonParser.getCurrentToken().equals(JsonToken.START_OBJECT)) { jsonParser.nextToken(); // advance to first key in the object - should be the id value of the old post while (jsonParser.getCurrentToken().equals(JsonToken.FIELD_NAME)) { extractTopic(jsonParser, resource, resolver, qnaForumOperations); jsonParser.nextToken(); // get the next token - presumably a field name for the next post }/*from w ww. j av a 2 s.c o m*/ jsonParser.nextToken(); // skip end token } else { throw new IOException("Improperly formed JSON - expected an OBJECT_START token, but got " + jsonParser.getCurrentToken().toString()); } }
From source file:de.undercouch.bson4jackson.BsonParserTest.java
/** * Checks if the parser returns a textual representation of arbitrary * tokens. See issue #23./*from w w w . j a v a 2s . c om*/ * @throws Exception if something went wrong */ @Test public void parseAsText() throws Exception { BSONObject o = new BasicBSONObject(); o.put("Float", 5.0f); o.put("Int32", 1234); BSONEncoder enc = new BasicBSONEncoder(); byte[] b = enc.encode(o); ByteArrayInputStream bais = new ByteArrayInputStream(b); BsonFactory fac = new BsonFactory(); BsonParser dec = fac.createParser(bais); assertEquals(JsonToken.START_OBJECT, dec.nextToken()); assertEquals(JsonToken.FIELD_NAME, dec.nextToken()); assertEquals("Float", dec.getCurrentName()); assertEquals(JsonToken.VALUE_NUMBER_FLOAT, dec.nextToken()); assertEquals(5.0f, dec.getFloatValue(), 0.00001); assertEquals("5.0", dec.getText()); assertEquals(JsonToken.FIELD_NAME, dec.nextToken()); assertEquals("Int32", dec.getCurrentName()); assertEquals(JsonToken.VALUE_NUMBER_INT, dec.nextToken()); assertEquals(1234, dec.getIntValue()); assertEquals("1234", dec.getText()); assertEquals(JsonToken.END_OBJECT, dec.nextToken()); }