src.java.org.codehaus.stax2.io.Stax2BlockSource Maven / Gradle / Ivy
package org.codehaus.stax2.io;
import java.io.*;
import java.net.URL;
/**
* This is the mid-level abstract base class for {@link Stax2Source}s
* that an be used to access fixed-length in-memory data sources, such
* as byte and char arrays, Strings, StringBuffers and so forth.
* The main reason for using such a source object (instead of constructing
* wrapper Readers or InputStreams) is that concrete implementations
* usually also allow more direct access to the underlying data, so
* that stream reader implementations may be able to do more optimal
* access.
*/
public abstract class Stax2BlockSource
extends Stax2Source
{
protected Stax2BlockSource() { }
/*
/////////////////////////////////////////
// Public API, simple accessors/mutators
/////////////////////////////////////////
*/
/**
* Usually there is no way to refer to the underlying data source,
* since they are in-memory data structures. Because of this, the
* base implementation just returns null.
*/
public URL getReference() {
return null;
}
public abstract Reader constructReader() throws IOException;
public abstract InputStream constructInputStream() throws IOException;
}