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package org.apache.tuscany.sca.policy.logging.jdk;
import java.util.logging.ConsoleHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.assembly.xml.Constants;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.util.PolicyHandler;
/*
* 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.
*/
/**
* Policy handler to handle PolicySet related to Logging with the QName
* {http://tuscany.apache.org/xmlns/sca/1.0/impl/java}LoggingPolicy
*/
public class JDKLoggingPolicyHandler implements PolicyHandler {
public static final String loggingPolicy = "JDKLoggingPolicy";
public static final QName policySetQName = new QName(Constants.SCA10_TUSCANY_NS,
loggingPolicy);
private Logger logger = null;
private PolicySet applicablePolicySet = null;
public void setUp(Object... context) {
if ( applicablePolicySet != null ) {
JDKLoggingPolicy policy = (JDKLoggingPolicy)applicablePolicySet.getPolicies().get(0);
logger = Logger.getLogger(policy.getLoggerName());
logger.setLevel(policy.getLogLevel());
logger.setUseParentHandlers(policy.isUseParentHandlers());
ConsoleHandler consoleHandler = new ConsoleHandler();
consoleHandler.setLevel(Level.ALL);
logger.addHandler(consoleHandler);
}
}
public void cleanUp(Object... context) {
logger = null;
}
public void beforeInvoke(Object... context) {
Operation operation = null;
Message msg = null;
JDKLoggingPolicy policy = (JDKLoggingPolicy)applicablePolicySet.getPolicies().get(0);
for ( Object contextParam : context ) {
if (contextParam instanceof Operation ) {
operation = (Operation)contextParam;
} else if ( contextParam instanceof Message ) {
msg = (Message)contextParam;
}
}
if ( operation != null && msg != null ) {
Object msgBody = msg.getBody();
if ( msgBody instanceof Object[] ) {
logger.logp(Level.INFO, "", "", " Invoking operation - " + operation.getName());
StringBuffer sb = new StringBuffer();
for ( Object param : ((Object[])msgBody) ) {
sb.append(param);
sb.append(", ");
}
Object[] logParams = new Object[]{operation.getName(), sb.toString()};
logger.logrb(Level.FINER,"","",policy.getResourceBundleName(), "CALLING_OPERATION", logParams);
}
}
}
public void afterInvoke(Object... context) {
Operation operation = null;
Message msg = null;
JDKLoggingPolicy policy = (JDKLoggingPolicy)applicablePolicySet.getPolicies().get(0);
for ( Object contextParam : context ) {
if (contextParam instanceof Operation ) {
operation = (Operation)contextParam;
} else if ( contextParam instanceof Message ) {
msg = (Message)contextParam;
}
}
if ( operation != null && msg != null ) {
Object[] logParams = new Object[]{operation.getName(), msg.getBody()};
logger.logp(Level.INFO,"", "", " Returned from operation - " + operation.getName());
logger.logrb(Level.FINER,"","",policy.getResourceBundleName(), "OPERATION_RETURNED", logParams);
}
}
public PolicySet getApplicablePolicySet() {
return applicablePolicySet;
}
public void setApplicablePolicySet(PolicySet applicablePolicySet) {
this.applicablePolicySet = applicablePolicySet;
}
}
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