1 files changed, 132 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java
new file mode 100644
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+++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ConversationProcessor.java
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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
+    }
+}