/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.axiom.om.ds;
import java.io.IOException;
import java.io.Reader;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.axiom.util.stax.WrappedTextNodeStreamReader;
/**
* {@link WrappedTextNodeOMDataSource} that pulls text data from a {@link Reader} object. Since the
* stream can only be read once, this data source is destructive. The {@link #getObject()} method
* returns the {@link Reader} object if it has not been accessed yet.
*/
public class WrappedTextNodeOMDataSourceFromReader extends WrappedTextNodeOMDataSource {
private final Reader reader;
private boolean isAccessed;
public WrappedTextNodeOMDataSourceFromReader(QName wrapperElementName, Reader reader) {
super(wrapperElementName);
this.reader = reader;
}
public XMLStreamReader getReader() throws XMLStreamException {
isAccessed = true;
return new WrappedTextNodeStreamReader(wrapperElementName, reader);
}
public Object getObject() {
return isAccessed ? null : reader;
}
public boolean isDestructiveRead() {
return true;
}
public void close() {
try {
reader.close();
} catch (IOException ex) {
// Ignore
}
}
}