78 lines
2.4 KiB
Java
78 lines
2.4 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.openxml4j.opc;
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import java.io.InputStream;
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import java.io.OutputStream;
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import org.dom4j.Document;
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import org.dom4j.io.OutputFormat;
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import org.dom4j.io.XMLWriter;
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public final class StreamHelper {
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private StreamHelper() {
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// Do nothing
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}
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/**
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* Turning the DOM4j object in the specified output stream.
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*
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* @param xmlContent
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* The XML document.
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* @param outStream
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* The OutputStream in which the XML document will be written.
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* @return <b>true</b> if the xml is successfully written in the stream,
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* else <b>false</b>.
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*/
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public static boolean saveXmlInStream(Document xmlContent,
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OutputStream outStream) {
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try {
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OutputFormat outformat = OutputFormat.createPrettyPrint();
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outformat.setEncoding("UTF-8");
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XMLWriter writer = new XMLWriter(outStream, outformat);
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writer.write(xmlContent);
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} catch (Exception e) {
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return false;
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}
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return true;
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}
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/**
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* Copy the input stream into the output stream.
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*
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* @param inStream
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* The source stream.
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* @param outStream
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* The destination stream.
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* @return <b>true</b> if the operation succeed, else return <b>false</b>.
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*/
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public static boolean copyStream(InputStream inStream, OutputStream outStream) {
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try {
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byte[] buffer = new byte[1024];
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int bytesRead;
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while ((bytesRead = inStream.read(buffer)) >= 0) {
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outStream.write(buffer, 0, bytesRead);
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}
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} catch (Exception e) {
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return false;
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}
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return true;
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}
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}
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