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Apache CXF example source code file (PrettyLoggingOutInterceptor.java)
The Apache CXF PrettyLoggingOutInterceptor.java source code/** * 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.cxf.interceptor; import java.io.OutputStream; import java.io.PrintWriter; import java.io.StringWriter; import java.util.logging.Level; import java.util.logging.Logger; import javax.xml.transform.OutputKeys; import javax.xml.transform.Transformer; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.stream.StreamSource; import org.apache.cxf.common.logging.LogUtils; import org.apache.cxf.helpers.XMLUtils; import org.apache.cxf.io.CacheAndWriteOutputStream; import org.apache.cxf.io.CachedOutputStream; import org.apache.cxf.io.CachedOutputStreamCallback; import org.apache.cxf.message.Message; import org.apache.cxf.phase.AbstractPhaseInterceptor; import org.apache.cxf.phase.Phase; /** * */ public class PrettyLoggingOutInterceptor extends AbstractPhaseInterceptor { private static final Logger LOG = LogUtils.getL7dLogger(PrettyLoggingOutInterceptor.class); private PrintWriter writer; public PrettyLoggingOutInterceptor(PrintWriter w) { super(Phase.PRE_STREAM); addBefore(StaxOutInterceptor.class.getName()); writer = w; } public void handleMessage(Message message) throws Fault { final OutputStream os = message.getContent(OutputStream.class); if (os == null) { return; } if (!LOG.isLoggable(Level.ALL)) { return; } // Write the output while caching it for the log message final CacheAndWriteOutputStream newOut = new CacheAndWriteOutputStream(os); message.setContent(OutputStream.class, newOut); newOut.registerCallback(new LoggingCallback()); } public class LoggingCallback implements CachedOutputStreamCallback { public void onFlush(CachedOutputStream cos) { } public void onClose(CachedOutputStream cos) { try { Transformer serializer = XMLUtils.newTransformer(2); //Setup indenting to "pretty print" serializer.setOutputProperty(OutputKeys.INDENT, "yes"); serializer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); if (writer != null) { serializer.transform(new StreamSource(cos.getInputStream()), new StreamResult(writer)); writer.close(); } else if (LOG.isLoggable(Level.INFO)) { StringWriter swriter = new StringWriter(); serializer.transform(new StreamSource(cos.getInputStream()), new StreamResult(swriter)); LOG.info(swriter.toString()); } } catch (Exception e) { e.printStackTrace(); } } } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF PrettyLoggingOutInterceptor.java source code file: |
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