/**
* 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.camel.processor.interceptor;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.model.ProcessorDefinition;
import org.apache.camel.spi.TraceableUnitOfWork;
import org.apache.camel.spi.UnitOfWork;
import org.apache.camel.util.MessageHelper;
/**
* @version $Revision: 769448 $
*/
public class DefaultTraceFormatter implements TraceFormatter {
private int breadCrumbLength;
private int nodeLength;
private boolean showBreadCrumb = true;
private boolean showNode = true;
private boolean showExchangeId;
private boolean showShortExchangeId;
private boolean showExchangePattern = true;
private boolean showProperties = true;
private boolean showHeaders = true;
private boolean showBody = true;
private boolean showBodyType = true;
private boolean showOutHeaders;
private boolean showOutBody;
private boolean showOutBodyType;
private boolean showException = true;
private int maxChars;
public Object format(final TraceInterceptor interceptor, final ProcessorDefinition node, final Exchange exchange) {
Message in = exchange.getIn();
Message out = null;
if (exchange.hasOut()) {
out = exchange.getOut();
}
StringBuilder sb = new StringBuilder();
sb.append(extractBreadCrumb(interceptor, node, exchange));
if (showExchangePattern) {
sb.append(", Pattern:").append(exchange.getPattern());
}
// only show properties if we have any
if (showProperties && !exchange.getProperties().isEmpty()) {
sb.append(", Properties:").append(exchange.getProperties());
}
// only show headers if we have any
if (showHeaders && !in.getHeaders().isEmpty()) {
sb.append(", Headers:").append(in.getHeaders());
}
if (showBodyType) {
sb.append(", BodyType:").append(MessageHelper.getBodyTypeName(in));
}
if (showBody) {
sb.append(", Body:").append(MessageHelper.extractBodyAsString(in));
}
if (showOutHeaders && out != null) {
sb.append(", OutHeaders:").append(out.getHeaders());
}
if (showOutBodyType && out != null) {
sb.append(", OutBodyType:").append(MessageHelper.getBodyTypeName(out));
}
if (showOutBody && out != null) {
sb.append(", OutBody:").append(MessageHelper.extractBodyAsString(out));
}
if (showException && exchange.getException() != null) {
sb.append(", Exception:").append(exchange.getException());
}
if (maxChars > 0) {
String s = sb.toString();
if (s.length() > maxChars) {
s = s.substring(0, maxChars) + "...";
}
return s;
} else {
return sb.toString();
}
}
public boolean isShowBody() {
return showBody;
}
public void setShowBody(boolean showBody) {
this.showBody = showBody;
}
public boolean isShowBodyType() {
return showBodyType;
}
public void setShowBodyType(boolean showBodyType) {
this.showBodyType = showBodyType;
}
public void setShowOutBody(boolean showOutBody) {
this.showOutBody = showOutBody;
}
public boolean isShowOutBody() {
return showOutBody;
}
public void setShowOutBodyType(boolean showOutBodyType) {
this.showOutBodyType = showOutBodyType;
}
public boolean isShowOutBodyType() {
return showOutBodyType;
}
public boolean isShowBreadCrumb() {
return showBreadCrumb;
}
public void setShowBreadCrumb(boolean showBreadCrumb) {
this.showBreadCrumb = showBreadCrumb;
}
public boolean isShowExchangeId() {
return showExchangeId;
}
public void setShowExchangeId(boolean showExchangeId) {
this.showExchangeId = showExchangeId;
}
public boolean isShowHeaders() {
return showHeaders;
}
public void setShowHeaders(boolean showHeaders) {
this.showHeaders = showHeaders;
}
public boolean isShowOutHeaders() {
return showOutHeaders;
}
public void setShowOutHeaders(boolean showOutHeaders) {
this.showOutHeaders = showOutHeaders;
}
public boolean isShowProperties() {
return showProperties;
}
public void setShowProperties(boolean showProperties) {
this.showProperties = showProperties;
}
public boolean isShowNode() {
return showNode;
}
public void setShowNode(boolean showNode) {
this.showNode = showNode;
}
public boolean isShowExchangePattern() {
return showExchangePattern;
}
public void setShowExchangePattern(boolean showExchangePattern) {
this.showExchangePattern = showExchangePattern;
}
public boolean isShowException() {
return showException;
}
public void setShowException(boolean showException) {
this.showException = showException;
}
public int getBreadCrumbLength() {
return breadCrumbLength;
}
public void setBreadCrumbLength(int breadCrumbLength) {
this.breadCrumbLength = breadCrumbLength;
}
public boolean isShowShortExchangeId() {
return showShortExchangeId;
}
public void setShowShortExchangeId(boolean showShortExchangeId) {
this.showShortExchangeId = showShortExchangeId;
}
public int getNodeLength() {
return nodeLength;
}
public void setNodeLength(int nodeLength) {
this.nodeLength = nodeLength;
}
public int getMaxChars() {
return maxChars;
}
public void setMaxChars(int maxChars) {
this.maxChars = maxChars;
}
// Implementation methods
//-------------------------------------------------------------------------
protected Object getBreadCrumbID(Exchange exchange) {
UnitOfWork unitOfWork = exchange.getUnitOfWork();
if (unitOfWork != null) {
return unitOfWork.getId();
} else {
return exchange.getExchangeId();
}
}
protected String getNodeMessage(ProcessorDefinition node) {
String message = node.getShortName() + "(" + node.getLabel() + ")";
if (nodeLength > 0) {
return String.format("%1$-" + nodeLength + "." + nodeLength + "s", message);
} else {
return message;
}
}
/**
* Creates the breadcrumb based on whether this was a trace of
* an exchange coming out of or into a processing step. For example,
* <br/><tt>transform(body) -> ID-mojo/39713-1225468755256/2-0</tt>
* <br/>or
* <br/><tt>ID-mojo/39713-1225468755256/2-0 -> transform(body)</tt>
*/
protected String extractBreadCrumb(TraceInterceptor interceptor, ProcessorDefinition currentNode, Exchange exchange) {
String id = "";
String result;
if (!showBreadCrumb && !showExchangeId && !showShortExchangeId && !showNode) {
return "";
}
// compute breadcrumb id
if (showBreadCrumb) {
id = getBreadCrumbID(exchange).toString();
} else if (showExchangeId || showShortExchangeId) {
id = getBreadCrumbID(exchange).toString();
if (showShortExchangeId) {
// skip hostname for short exchange id
id = id.substring(id.indexOf("/") + 1);
}
}
// compute from and to
String from = "";
if (showNode && exchange.getUnitOfWork() instanceof TraceableUnitOfWork) {
TraceableUnitOfWork tuow = (TraceableUnitOfWork) exchange.getUnitOfWork();
ProcessorDefinition prev = tuow.getLastInterceptedNode();
if (prev != null) {
from = getNodeMessage(prev);
} else if (exchange.getFromEndpoint() != null) {
from = exchange.getFromEndpoint().getEndpointUri();
}
}
String to = "";
if (showNode) {
to = getNodeMessage(currentNode);
}
// assemble result with and without the to/from
if (showNode) {
result = id.trim() + " >>> " + from + " --> " + to.trim();
if (interceptor.shouldTraceOutExchanges() && exchange.hasOut()) {
result += " (OUT) ";
}
} else {
result = id;
}
if (breadCrumbLength > 0) {
// we want to ensure text coming after this is aligned for readability
return String.format("%1$-" + breadCrumbLength + "." + breadCrumbLength + "s", result.trim());
} else {
return result.trim();
}
}
}