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java.lang.Objectcom.google.api.client.json.JsonFactory
public abstract class JsonFactory
Abstract low-level JSON factory.
Implementation is thread-safe, and sub-classes must be thread-safe. For maximum efficiency, applications should use a single globally-shared instance of the JSON factory.
Constructor Summary | |
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JsonFactory()
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Method Summary | ||
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abstract JsonGenerator |
createJsonGenerator(OutputStream out,
JsonEncoding enc)
Returns a new instance of a low-level JSON serializer for the given output stream and encoding. |
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abstract JsonGenerator |
createJsonGenerator(Writer writer)
Returns a new instance of a low-level JSON serializer for the given writer. |
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abstract JsonParser |
createJsonParser(InputStream in)
Returns a new instance of a low-level JSON parser for the given input stream. |
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abstract JsonParser |
createJsonParser(Reader reader)
Returns a new instance of a low-level JSON parser for the given reader. |
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abstract JsonParser |
createJsonParser(String value)
Returns a new instance of a low-level JSON parser for the given string value. |
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fromString(String value,
Class<T> destinationClass)
Parses a string value as a JSON object, array, or value into a new instance of the given destination class using JsonParser.parse(Class, CustomizeJsonParser) . |
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String |
toPrettyString(Object item)
Returns a pretty-printed serialized JSON string representation for the given item using JsonGenerator.serialize(Object) with JsonGenerator.enablePrettyPrint() . |
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String |
toString(Object item)
Returns a serialized JSON string representation for the given item using JsonGenerator.serialize(Object) . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public JsonFactory()
Method Detail |
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public abstract JsonParser createJsonParser(InputStream in) throws IOException
in
- input stream
IOException
- if failedpublic abstract JsonParser createJsonParser(String value) throws IOException
value
- string value
IOException
- if failedpublic abstract JsonParser createJsonParser(Reader reader) throws IOException
reader
- reader
IOException
- if failedpublic abstract JsonGenerator createJsonGenerator(OutputStream out, JsonEncoding enc) throws IOException
out
- output streamenc
- encoding
IOException
- if failedpublic abstract JsonGenerator createJsonGenerator(Writer writer) throws IOException
writer
- writer
IOException
- if failedpublic final String toString(Object item)
JsonGenerator.serialize(Object)
.
item
- data key/value pairs
public final String toPrettyString(Object item)
JsonGenerator.serialize(Object)
with JsonGenerator.enablePrettyPrint()
.
item
- data key/value pairs
public final <T> T fromString(String value, Class<T> destinationClass) throws IOException
JsonParser.parse(Class, CustomizeJsonParser)
.
value
- JSON string valuedestinationClass
- destination class that has an accessible default constructor to use to
create a new instance
IOException
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