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The source code/* * Sun Public License Notice * * The contents of this file are subject to the Sun Public License * Version 1.0 (the "License"). You may not use this file except in * compliance with the License. A copy of the License is available at * http://www.sun.com/ * * The Original Code is NetBeans. The Initial Developer of the Original * Code is Sun Microsystems, Inc. Portions Copyright 1997-2002 Sun * Microsystems, Inc. All Rights Reserved. */ package org.netbeans.tax.io; import java.io.*; import org.netbeans.tax.TreeDocumentRoot; import org.netbeans.tax.TreeException; import org.netbeans.tax.io.TreeStreamResult; import org.netbeans.tax.io.TreeWriter; /** * Access tree content using reader. The tree MUST NOT change until the * reader is closed. It is responsibility of caller. * * @author Petr Kuzel * @version 0.9 */ public class TreeReader extends Reader { private final StringReader reader; /** * Creates new TreeReader that is immediatelly ready for reading. */ public TreeReader (TreeDocumentRoot doc) throws IOException { reader = new StringReader (Convertors.treeToString (doc)); } public void close () throws IOException { if (reader == null) throw new IOException (Util.THIS.getString ("EXC_null_reader")); reader.close (); } public int read (char[] cbuf, int off, int len) throws IOException { if (reader == null) throw new IOException (Util.THIS.getString ("EXC_null_reader")); return reader.read (cbuf, off, len); } } |
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