From 9833a542bb75c2008c71809e4fdfebc41e67fb46 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 10 Nov 2009 19:18:51 +0000
Subject: Move the SDO folder as new trunk for SDO sub project

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@834610 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sdo/codegen/JavaInterfaceGenerator.java        | 179 +++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 sdo-java/trunk/impl/src/main/java/org/apache/tuscany/sdo/codegen/JavaInterfaceGenerator.java

(limited to 'sdo-java/trunk/impl/src/main/java/org/apache/tuscany/sdo/codegen/JavaInterfaceGenerator.java')

diff --git a/sdo-java/trunk/impl/src/main/java/org/apache/tuscany/sdo/codegen/JavaInterfaceGenerator.java b/sdo-java/trunk/impl/src/main/java/org/apache/tuscany/sdo/codegen/JavaInterfaceGenerator.java
new file mode 100644
index 0000000000..dc88a0d60d
--- /dev/null
+++ b/sdo-java/trunk/impl/src/main/java/org/apache/tuscany/sdo/codegen/JavaInterfaceGenerator.java
@@ -0,0 +1,179 @@
+/**
+ *
+ *  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.sdo.codegen;
+
+import java.io.PrintWriter;
+import java.util.List;
+
+import commonj.sdo.Property;
+import commonj.sdo.Type;
+
+import org.apache.tuscany.sdo.SDOTypeVisitor;
+
+/**
+ * Implementation of a generator that will output the source code for a Java interface
+ * that corresponds to the SDO Type's static properties.
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaInterfaceGenerator implements SDOTypeVisitor {
+    
+    private static String canonicalize(String className) {
+        if (className == null) {
+            return "";
+        }
+        if (className.charAt(0) != '[') { // if not array
+            return className;
+        }
+        // process array
+        boolean invalidClassName = false;
+        int nestLevel = 1;
+        StringBuffer sb = new StringBuffer();
+        try {
+            while (className.charAt(nestLevel) == '[') {
+                nestLevel++;
+            }
+            char typeChar = className.charAt(nestLevel);
+            int end = nestLevel;
+            switch (typeChar) {
+            case 'L':
+                end = className.length() - 1;
+                if (className.charAt(end) != ';') {
+                    invalidClassName = true;
+                } else {
+                    sb.append(className.substring(nestLevel+1, end));    
+                }
+                break;
+            case 'Z':
+                sb.append("boolean"); 
+                break;
+            case 'B':
+                sb.append("byte"); 
+                break;
+            case 'C':
+                sb.append("char"); 
+                break;
+            case 'D':
+                sb.append("double"); 
+                break;
+            case 'F':
+                sb.append("float"); 
+                break;
+            case 'I':
+                sb.append("int"); 
+                break;
+            case 'J':
+                sb.append("long"); 
+                break;
+            case 'S':
+                sb.append("short"); 
+                break;
+            default:
+                invalidClassName = true;
+                break;
+            }
+            if (end != (className.length() - 1)) {
+                invalidClassName = true; // we have not used all the characters
+            } else {
+                for (int i=0; i<nestLevel; i++) {
+                    sb.append("[]");
+                }
+            }
+        } catch(Exception e) {
+            invalidClassName = true;
+        }
+        if (invalidClassName) {
+            System.err.println("unable to canonicalize class name: "+className);
+            return className;
+        }
+        return sb.toString();
+    }
+    
+    private final PrintWriter writer;
+
+    /**
+     * Constructor providing the Writer to output the source to.
+     *
+     * @param writer where the generated source code will be written to 
+     */
+    public JavaInterfaceGenerator(PrintWriter writer) {
+        this.writer = writer;
+    }
+
+    public void visitType(Type type) {
+        String name = type.getName();
+        int lastDot = name.lastIndexOf('.');
+        if (lastDot != -1) {
+            writer.print("package ");
+            writer.print(name.substring(0, lastDot));
+            writer.println(';');
+            writer.println();
+
+            name = name.substring(lastDot + 1);
+        } else {
+            name = Character.toUpperCase(name.charAt(0)) + name.substring(1);
+        }
+
+        writer.print("public interface ");
+        writer.print(name);
+        List baseTypes = type.getBaseTypes();
+        for (int i = 0; i < baseTypes.size(); i++) {
+            Type baseType = (Type) baseTypes.get(i);
+            if (i == 0) {
+                writer.print(" extends ");
+            } else {
+                writer.print(", ");
+            }
+            writer.print(baseType.getInstanceClass().getName());
+        }
+
+        writer.println(" {");
+    }
+
+    public void visitProperty(Property property) {
+        String name = property.getName();
+        String propertyName = Character.toUpperCase(name.charAt(0)) + name.substring(1);
+        String javaType = canonicalize(property.getType().getInstanceClass().getName());
+
+        if (!property.isMany()) {
+            writer.print("    ");
+            writer.print(javaType);
+            writer.print("boolean".equals(javaType) ? " is" : " get");
+            writer.print(propertyName);
+            writer.println("();");
+            if (!property.isReadOnly()) {
+                writer.print("    void set");
+                writer.print(propertyName);
+                writer.print('(');
+                writer.print(javaType);
+                writer.println(" value);");
+            }
+        } else {
+            writer.print("    java.util.List get");
+            writer.print(propertyName);
+            writer.println("();");
+        }
+    }
+
+    public void visitEnd() {
+        writer.println('}');
+        writer.flush();
+    }
+}
-- 
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