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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.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import com.sun.xml.fastinfoset.stax.StAXDocumentSerializer;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
/**
* Creates an XMLStreamReader from the InputStream on the Message.
*/
public class FIStaxOutInterceptor extends AbstractPhaseInterceptor {
public static final String FI_ENABLED = "org.apache.cxf.fastinfoset.enabled";
private static final Logger LOG = LogUtils.getL7dLogger(FIStaxOutInterceptor.class);
private static final String OUTPUT_STREAM_HOLDER = FIStaxOutInterceptor.class.getName() + ".outputstream";
private static final StaxOutEndingInterceptor ENDING = new StaxOutEndingInterceptor(OUTPUT_STREAM_HOLDER);
boolean force;
private Integer serializerAttributeValueMapMemoryLimit;
private Integer serializerMinAttributeValueSize;
private Integer serializerMaxAttributeValueSize;
private Integer serializerCharacterContentChunkMapMemoryLimit;
private Integer serializerMinCharacterContentChunkSize;
private Integer serializerMaxCharacterContentChunkSize;
public FIStaxOutInterceptor() {
super(Phase.PRE_STREAM);
addAfter(AttachmentOutInterceptor.class.getName());
addBefore(StaxOutInterceptor.class.getName());
}
public FIStaxOutInterceptor(boolean f) {
this();
force = f;
}
@Override
public void handleFault(Message message) {
super.handleFault(message);
OutputStream os = (OutputStream)message.get(OUTPUT_STREAM_HOLDER);
if (os != null) {
message.setContent(OutputStream.class, os);
}
}
public void handleMessage(Message message) {
OutputStream out = message.getContent(OutputStream.class);
XMLStreamWriter writer = message.getContent(XMLStreamWriter.class);
if (out == null || writer != null) {
return;
}
boolean req = isRequestor(message);
Object o = message.getContextualProperty(FI_ENABLED);
if (!req) {
if (message.getExchange().getInMessage() != null) {
//check incoming accept header
String s = (String)message.getExchange().getInMessage().get(Message.ACCEPT_CONTENT_TYPE);
if (s != null && s.contains("fastinfoset")) {
o = Boolean.TRUE;
}
}
} else {
Map> headers
= CastUtils.cast((Map)message.get(Message.PROTOCOL_HEADERS));
List accepts = headers.get("Accept");
if (accepts == null) {
accepts = new ArrayList();
headers.put("Accept", accepts);
}
String a = "application/fastinfoset";
if (!accepts.isEmpty()) {
a += ", " + accepts.get(0);
accepts.set(0, a);
} else {
accepts.add(a);
}
}
if (force
|| MessageUtils.isTrue(o)) {
StAXDocumentSerializer serializer = getOutput(message, out);
message.setContent(XMLStreamWriter.class, serializer);
message.removeContent(OutputStream.class);
message.put(OUTPUT_STREAM_HOLDER, out);
message.put(AbstractOutDatabindingInterceptor.DISABLE_OUTPUTSTREAM_OPTIMIZATION,
Boolean.TRUE);
String s = (String)message.get(Message.CONTENT_TYPE);
if (s.contains("application/soap+xml")) {
s = s.replace("application/soap+xml", "application/soap+fastinfoset");
message.put(Message.CONTENT_TYPE, s);
} else {
message.put(Message.CONTENT_TYPE, "application/fastinfoset");
}
try {
serializer.writeStartDocument();
} catch (XMLStreamException e) {
throw new Fault(e);
}
message.getInterceptorChain().add(ENDING);
}
}
private StAXDocumentSerializer getOutput(Message m, OutputStream out) {
/*
StAXDocumentSerializer serializer = (StAXDocumentSerializer)m.getExchange().get(Endpoint.class)
.remove(StAXDocumentSerializer.class.getName());
if (serializer != null) {
serializer.setOutputStream(out);
} else {
serializer = new StAXDocumentSerializer(out);
}
return serializer;
*/
final StAXDocumentSerializer stAXDocumentSerializer = new StAXDocumentSerializer(out);
if (serializerAttributeValueMapMemoryLimit != null && serializerAttributeValueMapMemoryLimit.intValue() > 0) {
stAXDocumentSerializer.setAttributeValueMapMemoryLimit(serializerAttributeValueMapMemoryLimit.intValue());
}
if (serializerMinAttributeValueSize != null && serializerMinAttributeValueSize.intValue() > 0) {
stAXDocumentSerializer.setMinAttributeValueSize(serializerMinAttributeValueSize.intValue());
}
if (serializerMaxAttributeValueSize != null && serializerMaxAttributeValueSize.intValue() > 0) {
stAXDocumentSerializer.setMaxAttributeValueSize(serializerMaxAttributeValueSize.intValue());
}
if (serializerCharacterContentChunkMapMemoryLimit != null
&& serializerCharacterContentChunkMapMemoryLimit.intValue() > 0) {
stAXDocumentSerializer
.setCharacterContentChunkMapMemoryLimit(serializerCharacterContentChunkMapMemoryLimit.intValue());
}
if (serializerMinCharacterContentChunkSize != null && serializerMinCharacterContentChunkSize.intValue() > 0) {
stAXDocumentSerializer.setMinCharacterContentChunkSize(serializerMinCharacterContentChunkSize.intValue());
}
if (serializerMaxCharacterContentChunkSize != null && serializerMaxCharacterContentChunkSize.intValue() > 0) {
stAXDocumentSerializer.setMaxCharacterContentChunkSize(serializerMaxCharacterContentChunkSize.intValue());
}
return stAXDocumentSerializer;
}
public Integer getSerializerMinAttributeValueSize() {
return serializerMinAttributeValueSize;
}
/**
* Sets the property minAttributeValueSize on FastInfoset StAX Serializers created and used
* by this interceptor. The property controls the minimum size of attribute values to be indexed.
*
* @param serializerMinAttributeValueSize
* The minimum size for attribute values to be indexed,
* measured as a number of characters. The default is typically 0.
*/
public void setSerializerMinAttributeValueSize(Integer serializerMinAttributeValueSize) {
logSetter("serializerMinAttributeValueSize", serializerMinAttributeValueSize);
this.serializerMinAttributeValueSize = serializerMinAttributeValueSize;
}
public Integer getSerializerMaxAttributeValueSize() {
return serializerMaxAttributeValueSize;
}
/**
* Sets the property maxAttributeValueSize on FastInfoset StAX Serializers created and used
* by this interceptor. The property controls the maximum size of attribute values to be indexed.
* Tests have shown that setting this property to lower values reduces CPU burden of processing, at the expense
* of larger sizes of resultant encoded Fast Infoset data.
*
* @param serializerMaxAttributeValueSize
* The maximum size for attribute values to be indexed,
* measured as a number of characters. The default is typically 32.
*/
public void setSerializerMaxAttributeValueSize(Integer serializerMaxAttributeValueSize) {
logSetter("serializerMaxAttributeValueSize", serializerMaxAttributeValueSize);
this.serializerMaxAttributeValueSize = serializerMaxAttributeValueSize;
}
public Integer getSerializerCharacterContentChunkMapMemoryLimit() {
return serializerCharacterContentChunkMapMemoryLimit;
}
/**
* Sets the property characterContentChunkMapMemoryLimit on FastInfoset StAX Serializers created and
* used by this interceptor. The property controls character content chunk map size and can be used to control the
* memory and (indirectly) CPU footprint of processing.
*
* @param serializerCharacterContentChunkMapMemoryLimit
* The value for the limit, measured as a number of Unicode characters.
*/
public void setSerializerCharacterContentChunkMapMemoryLimit(
Integer serializerCharacterContentChunkMapMemoryLimit) {
logSetter("serializerCharacterContentChunkMapMemoryLimit", serializerCharacterContentChunkMapMemoryLimit);
this.serializerCharacterContentChunkMapMemoryLimit = serializerCharacterContentChunkMapMemoryLimit;
}
public Integer getSerializerMinCharacterContentChunkSize() {
return serializerMinCharacterContentChunkSize;
}
/**
* Sets the property minCharacterContentChunkSize on FastInfoset StAX Serializers created and used
* by this interceptor. The property controls the minimum size of character content chunks to be indexed.
*
* @param serializerMinCharacterContentChunkSize
* The minimum size for character content chunks to be indexed,
* measured as a number of characters. The default is typically 0.
*/
public void setSerializerMinCharacterContentChunkSize(Integer serializerMinCharacterContentChunkSize) {
logSetter("serializerMinCharacterContentChunkSize", serializerMinCharacterContentChunkSize);
this.serializerMinCharacterContentChunkSize = serializerMinCharacterContentChunkSize;
}
public Integer getSerializerMaxCharacterContentChunkSize() {
return serializerMaxCharacterContentChunkSize;
}
/**
* Sets the property maxCharacterContentChunkSize on FastInfoset StAX Serializers created and used
* by this interceptor. The property controls the maximum size of character content chunks to be indexed.
* Tests have shown that setting this property to lower values reduces CPU burden of processing, at the expense
* of larger sizes of resultant encoded Fast Infoset data.
*
* @param serializerMaxCharacterContentChunkSize
* The maximum size for character content chunks to be indexed,
* measured as a number of characters. The default is typically 32.
*/
public void setSerializerMaxCharacterContentChunkSize(Integer serializerMaxCharacterContentChunkSize) {
logSetter("serializerMaxCharacterContentChunkSize", serializerMaxCharacterContentChunkSize);
this.serializerMaxCharacterContentChunkSize = serializerMaxCharacterContentChunkSize;
}
public Integer getSerializerAttributeValueMapMemoryLimit() {
return serializerAttributeValueMapMemoryLimit;
}
/**
* Sets the property attributeValueMapMemoryLimit on FastInfoset StAX Serializers created and used
* by this interceptor. The property controls attribute value map size and can be used to control
* the memory and (indirectly) CPU footprint of processing.
*
* @param serializerAttributeValueMapMemoryLimit
* The value for the limit, measured as a number of Unicode characters.
*/
public void setSerializerAttributeValueMapMemoryLimit(Integer serializerAttributeValueMapMemoryLimit) {
logSetter("serializerAttributeValueMapMemoryLimit", serializerAttributeValueMapMemoryLimit);
this.serializerAttributeValueMapMemoryLimit = serializerAttributeValueMapMemoryLimit;
}
private void logSetter(String propertyName, Object propertyValue) {
if (LOG.isLoggable(Level.CONFIG)) {
LOG.config("Setting " + propertyName + " to " + propertyValue);
}
}
}
