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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.tuscany.sca.implementation.java.introspect.impl;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.implementation.java.IntrospectionException;
import org.apache.tuscany.sca.implementation.java.JavaImplementation;
import org.osoa.sca.annotations.ConversationAttributes;
import org.osoa.sca.annotations.ConversationID;
import org.osoa.sca.annotations.Scope;
/**
* @version $Rev$ $Date$
*/
public class ConversationProcessor extends BaseJavaClassVisitor {
private static final String SECONDS = " SECONDS";
private static final String MINUTES = " MINUTES";
private static final String HOURS = " HOURS";
private static final String DAYS = " DAYS";
private static final String YEARS = " YEARS";
public ConversationProcessor(AssemblyFactory factory) {
super(factory);
}
@Override
public <T> void visitClass(Class<T> clazz, JavaImplementation type) throws IntrospectionException {
ConversationAttributes conversation = clazz.getAnnotation(ConversationAttributes.class);
if (conversation == null) {
return;
}
Scope scope = clazz.getAnnotation(Scope.class);
if (scope == null) {
// implicitly assume conversation
type.setJavaScope(org.apache.tuscany.sca.implementation.java.impl.JavaScopeImpl.CONVERSATION);
} else if (conversation != null) {
long maxAge;
long maxIdleTime;
String maxAgeVal = conversation.maxAge();
String maxIdleTimeVal = conversation.maxIdleTime();
try {
if (maxAgeVal.length() > 0) {
maxAge = convertTimeMillis(maxAgeVal);
type.setMaxAge(maxAge);
}
} catch (NumberFormatException e) {
throw new InvalidConversationalImplementation("Invalid maximum age", e);
}
try {
if (maxIdleTimeVal.length() > 0) {
maxIdleTime = convertTimeMillis(maxIdleTimeVal);
type.setMaxIdleTime(maxIdleTime);
}
} catch (NumberFormatException e) {
throw new InvalidConversationalImplementation("Invalid maximum idle time", e);
}
}
}
@Override
public void visitMethod(Method method,
JavaImplementation type) throws IntrospectionException {
ConversationID conversationID = method.getAnnotation(ConversationID.class);
if (conversationID == null) {
return;
}
type.addConversationIDMember(method);
}
@Override
public void visitField(Field field,
JavaImplementation type) throws IntrospectionException {
ConversationID conversationID = field.getAnnotation(ConversationID.class);
if (conversationID == null) {
return;
}
type.addConversationIDMember(field);
}
protected long convertTimeMillis(String expr) throws NumberFormatException {
expr = expr.trim().toUpperCase();
int i = expr.lastIndexOf(SECONDS);
if (i >= 0) {
String units = expr.substring(0, i);
return Long.parseLong(units) * 1000;
}
i = expr.lastIndexOf(MINUTES);
if (i >= 0) {
String units = expr.substring(0, i);
return Long.parseLong(units) * 60000;
}
i = expr.lastIndexOf(HOURS);
if (i >= 0) {
String units = expr.substring(0, i);
return Long.parseLong(units) * 3600000;
}
i = expr.lastIndexOf(DAYS);
if (i >= 0) {
String units = expr.substring(0, i);
return Long.parseLong(units) * 86400000;
}
i = expr.lastIndexOf(YEARS);
if (i >= 0) {
String units = expr.substring(0, i);
return Long.parseLong(units) * 31556926000L;
}
return Long.parseLong(expr) * 1000; // assume seconds if no suffix
// specified
}
}
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