diff options
Diffstat (limited to 'sandbox/ant/sca/trunk/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java')
-rw-r--r-- | sandbox/ant/sca/trunk/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/sandbox/ant/sca/trunk/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java b/sandbox/ant/sca/trunk/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java new file mode 100644 index 0000000000..2fb657159b --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java @@ -0,0 +1,133 @@ +/* + * 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.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor; +import org.oasisopen.sca.annotation.ConversationAttributes; +import org.oasisopen.sca.annotation.ConversationID; +import org.oasisopen.sca.annotation.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.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 InvalidConversationalImplementationException("Invalid maximum age", e); + } + try { + if (maxIdleTimeVal.length() > 0) { + maxIdleTime = convertTimeMillis(maxIdleTimeVal); + type.setMaxIdleTime(maxIdleTime); + } + } catch (NumberFormatException e) { + throw new InvalidConversationalImplementationException("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); + } + + static 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 + } +} |