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/**
* 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.File;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.URI;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.stream.StreamSource;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.PropertyUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.InterfaceInfo;
import org.apache.cxf.staxutils.PrettyPrintXMLStreamWriter;
import org.apache.cxf.staxutils.StaxUtils;
/**
* A simple logging handler which outputs the bytes of the message to the
* Logger.
* @deprecated
*/
@Deprecated
public abstract class AbstractLoggingInterceptor extends AbstractPhaseInterceptor<Message> {
public static final int DEFAULT_LIMIT = 48 * 1024;
protected static final String BINARY_CONTENT_MESSAGE = "--- Binary Content ---";
protected static final String MULTIPART_CONTENT_MESSAGE = "--- Multipart Content ---";
private static final String MULTIPART_CONTENT_MEDIA_TYPE = "multipart";
private static final String LIVE_LOGGING_PROP = "org.apache.cxf.logging.enable";
private static final List<String> BINARY_CONTENT_MEDIA_TYPES = Arrays.asList(
"application/octet-stream", "application/pdf", "image/png", "image/jpeg", "image/gif");
protected int limit = DEFAULT_LIMIT;
protected long threshold = -1;
protected PrintWriter writer;
protected boolean prettyLogging;
private boolean showBinaryContent;
private boolean showMultipartContent = true;
private List<String> binaryContentMediaTypes = BINARY_CONTENT_MEDIA_TYPES;
public AbstractLoggingInterceptor(String phase) {
super(phase);
}
public AbstractLoggingInterceptor(String id, String phase) {
super(id, phase);
}
protected static boolean isLoggingDisabledNow(Message message) {
Object liveLoggingProp = message.getContextualProperty(LIVE_LOGGING_PROP);
return liveLoggingProp != null && PropertyUtils.isFalse(liveLoggingProp);
}
protected abstract Logger getLogger();
Logger getMessageLogger(Message message) {
if (isLoggingDisabledNow(message)) {
return null;
}
Endpoint ep = message.getExchange().getEndpoint();
if (ep == null || ep.getEndpointInfo() == null) {
return getLogger();
}
EndpointInfo endpoint = ep.getEndpointInfo();
if (endpoint.getService() == null) {
return getLogger();
}
Logger logger = endpoint.getProperty("MessageLogger", Logger.class);
if (logger == null) {
String serviceName = endpoint.getService().getName().getLocalPart();
InterfaceInfo iface = endpoint.getService().getInterface();
String portName = endpoint.getName().getLocalPart();
String portTypeName = iface.getName().getLocalPart();
String logName = "org.apache.cxf.services." + serviceName + "."
+ portName + "." + portTypeName;
logger = LogUtils.getL7dLogger(this.getClass(), null, logName);
endpoint.setProperty("MessageLogger", logger);
}
return logger;
}
public void setOutputLocation(String s) {
if (s == null || "<logger>".equals(s)) {
writer = null;
} else if ("<stdout>".equals(s)) {
writer = new PrintWriter(System.out, true);
} else if ("<stderr>".equals(s)) {
writer = new PrintWriter(System.err, true);
} else {
try {
URI uri = new URI(s);
File file = new File(uri);
writer = new PrintWriter(new FileWriter(file, true), true);
} catch (Exception ex) {
getLogger().log(Level.WARNING, "Error configuring log location " + s, ex);
}
}
}
public void setPrintWriter(PrintWriter w) {
writer = w;
}
public PrintWriter getPrintWriter() {
return writer;
}
public void setLimit(int lim) {
limit = lim;
}
public int getLimit() {
return limit;
}
public void setPrettyLogging(boolean flag) {
prettyLogging = flag;
}
public boolean isPrettyLogging() {
return prettyLogging;
}
public void setInMemThreshold(long t) {
threshold = t;
}
public long getInMemThreshold() {
return threshold;
}
protected void writePayload(StringBuilder builder, CachedOutputStream cos,
String encoding, String contentType, boolean truncated)
throws Exception {
// Just transform the XML message when the cos has content
if (!truncated && isPrettyLogging() && contentType != null && contentType.contains("xml")
&& !contentType.toLowerCase().contains("multipart/related") && cos.size() > 0) {
StringWriter swriter = new StringWriter();
XMLStreamWriter xwriter = StaxUtils.createXMLStreamWriter(swriter);
xwriter = new PrettyPrintXMLStreamWriter(xwriter, 2);
try (InputStream in = cos.getInputStream()) {
InputStreamReader inputStreamReader = StringUtils.isEmpty(encoding)
? new InputStreamReader(in) : new InputStreamReader(in, encoding);
StaxUtils.copy(new StreamSource(inputStreamReader), xwriter);
} catch (XMLStreamException xse) {
//ignore
} finally {
try {
xwriter.flush();
xwriter.close();
} catch (XMLStreamException xse2) {
//ignore
}
}
String result = swriter.toString();
if (result.length() < limit || limit == -1) {
builder.append(result);
} else {
builder.append(result.substring(0, limit));
}
} else {
if (StringUtils.isEmpty(encoding)) {
cos.writeCacheTo(builder, limit);
} else {
cos.writeCacheTo(builder, encoding, limit);
}
}
}
protected void writePayload(StringBuilder builder,
StringWriter stringWriter,
String contentType)
throws Exception {
if (isPrettyLogging()
&& contentType != null
&& contentType.contains("xml")
&& stringWriter.getBuffer().length() > 0) {
try {
writePrettyPayload(builder, stringWriter, contentType);
return;
} catch (Exception ex) {
// log it as is
}
}
StringBuffer buffer = stringWriter.getBuffer();
if (buffer.length() > limit) {
builder.append(buffer.subSequence(0, limit));
} else {
builder.append(buffer);
}
}
protected void writePrettyPayload(StringBuilder builder,
StringWriter stringWriter,
String contentType)
throws Exception {
// Just transform the XML message when the cos has content
StringWriter swriter = new StringWriter();
XMLStreamWriter xwriter = StaxUtils.createXMLStreamWriter(swriter);
xwriter = new PrettyPrintXMLStreamWriter(xwriter, 2);
StaxUtils.copy(new StreamSource(new StringReader(stringWriter.getBuffer().toString())), xwriter);
xwriter.close();
String result = swriter.toString();
if (result.length() < limit || limit == -1) {
builder.append(swriter.toString());
} else {
builder.append(swriter.toString().substring(0, limit));
}
}
/**
* Transform the string before display. The implementation in this class
* does nothing. Override this method if you wish to change the contents of the
* logged message before it is delivered to the output.
* For example, you can use this to mask out sensitive information.
* @param originalLogString the raw log message.
* @return transformed data
*/
protected String transform(String originalLogString) {
return originalLogString;
}
protected void log(Logger logger, String message) {
message = transform(message);
if (writer != null) {
writer.println(message);
// Flushing the writer to make sure the message is written
writer.flush();
} else if (logger.isLoggable(Level.INFO)) {
LogRecord lr = new LogRecord(Level.INFO, message);
lr.setSourceClassName(logger.getName());
lr.setSourceMethodName(null);
lr.setLoggerName(logger.getName());
logger.log(lr);
}
}
public void setShowBinaryContent(boolean showBinaryContent) {
this.showBinaryContent = showBinaryContent;
}
public boolean isShowBinaryContent() {
return showBinaryContent;
}
protected boolean isBinaryContent(String contentType) {
return contentType != null && binaryContentMediaTypes.contains(contentType);
}
public boolean isShowMultipartContent() {
return showMultipartContent;
}
public void setShowMultipartContent(boolean showMultipartContent) {
this.showMultipartContent = showMultipartContent;
}
protected boolean isMultipartContent(String contentType) {
return contentType != null && contentType.startsWith(MULTIPART_CONTENT_MEDIA_TYPE);
}
public List<String> getBinaryContentMediaTypes() {
return binaryContentMediaTypes;
}
public void setBinaryContentMediaTypes(List<String> binaryContentMediaTypes) {
this.binaryContentMediaTypes = binaryContentMediaTypes;
}
}