JSONWriter

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spark.data.io
Class JSONWriter

java.lang.Object
  spark.data.io.JSONWriter

This is a concrete implementation of SparkWriter that will write Spark data out in the JSON format.

Constructor Summary
`JSONWriter()` This creates a new JSONWriter.
`JSONWriter(java.lang.String[] typePackageList)` This creates a new JSONWriter.
`JSONWriter(java.lang.String[] typePackageList, java.io.OutputStream output)` This creates a new JSONWriter.

Method Summary
`void`	`close()` this will close the stream and flush any output buffers.
`void`	`flush()` This will flush the stream's buffers
`TypeFactory`	`getTypeFactory()` This will return the TypeFactory currently being used.
`boolean`	`isPretty()` This returns true if the output is being pretty printed for human consumption rather than condensed for files and network message uses.
`void`	`setOutput(java.io.OutputStream output)` This will set the OutputStream to which the data is to be written.
`void`	`setPretty(boolean p)` This tells the writer whether the output should be pretty-printed for human consumption or condensed for system communication or storage.
`void`	`setTypeFactory(TypeFactory factory)` This is the type factory to be used when converting internal Java classes into an external form.
`java.lang.String`	`toString(SV value)` This will write the value to a String.
`void`	`write(SV value)` This is the heart of the SparkWriter.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

public JSONWriter()

This creates a new JSONWriter. It will have TypeFactorySimple (just SObj and SArray objects) as its factory and pretty printing will be turned on.

public JSONWriter(java.lang.String[] typePackageList)

This creates a new JSONWriter. It will have a TypeFactoryReflect (allows subclasses of SO) as its factory. Pretty printing will be turned on.

Parameters:: typePackageList - this is the restricted list of packages from which objects can be written. See TypeFactoryReflect for complete documentation on the package list.

public JSONWriter(java.lang.String[] typePackageList,
                  java.io.OutputStream output)

This creates a new JSONWriter. It will have a TypeFactoryReflect (allows subclasses of SO) as its factory. Pretty printing will be turned on.

Parameters:: typePackageList - this is the restricted list of packages from which objects can be written. See TypeFactoryReflect for complete documentation on the package list.; output - this is the output stream to which the JSON is to be written.

Method Detail