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Posted to java-dev@axis.apache.org by di...@apache.org on 2006/04/24 06:09:33 UTC

svn commit: r396413 [2/2] - in /webservices/axis2/trunk/java/modules/java2wsdl/src/org/apache/ws/java2wsdl: Java2OMBuilder.java Java2WSDLBuilder.java Java2WSDLCodegenEngine.java Java2WSDLConstants.java Java2WSDLUtils.java SchemaGenerator.java

Modified: webservices/axis2/trunk/java/modules/java2wsdl/src/org/apache/ws/java2wsdl/SchemaGenerator.java
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/java/modules/java2wsdl/src/org/apache/ws/java2wsdl/SchemaGenerator.java?rev=396413&r1=396412&r2=396413&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/java2wsdl/src/org/apache/ws/java2wsdl/SchemaGenerator.java (original)
+++ webservices/axis2/trunk/java/modules/java2wsdl/src/org/apache/ws/java2wsdl/SchemaGenerator.java Sun Apr 23 21:09:32 2006
@@ -1,393 +1,503 @@
-package org.apache.ws.java2wsdl;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.ws.commons.schema.*;
-import org.apache.ws.java2wsdl.bytecode.MethodTable;
-import org.apache.ws.java2wsdl.utils.TypeTable;
-import org.codehaus.jam.*;
-
-import javax.xml.namespace.QName;
-import java.util.HashMap;
-import java.util.Hashtable;
-import java.util.Locale;
-
-/*
-* Copyright 2004,2005 The Apache Software Foundation.
-*
-* Licensed 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.
-*
-* @author : Deepal Jayasinghe (deepal@apache.org)
-*
-*/
-
-public class SchemaGenerator {
-    protected Log log = LogFactory.getLog(getClass());
-    private ClassLoader classLoader;
-    private String className;
-    private XmlSchema schema;
-    private TypeTable typeTable;
-    // to keep loadded method using JAM
-    private JMethod methods [];
-    //to store byte code method using Axis 1.x codes
-    private MethodTable methodTable;
-
-    private String schemaTargetNameSpace;
-    private String schema_namespace_prefix;
-
-    public SchemaGenerator(ClassLoader loader, String className,
-                           String schematargetNamespace,
-                           String schematargetNamespacePrefix)
-            throws Exception {
-        this.classLoader = loader;
-        this.className = className;
-        if (schematargetNamespace != null && !schematargetNamespace.trim().equals("")) {
-            this.schemaTargetNameSpace = schematargetNamespace;
-        } else {
-            this.schemaTargetNameSpace = Java2WSDLUtils.schemaNamespaceFromPackageName(className).toString();//Java2WSDLConstants.AXIS2_XSD;
-        }
-        if (schematargetNamespacePrefix != null && !schematargetNamespacePrefix.trim().equals("")) {
-            this.schema_namespace_prefix = schematargetNamespacePrefix;
-        } else {
-            this.schema_namespace_prefix = Java2WSDLConstants.SCHEMA_NAMESPACE_PRFIX;
-        }
-        Hashtable prefixmap = new Hashtable();
-        prefixmap.put(this.schema_namespace_prefix, this.schemaTargetNameSpace);
-
-        XmlSchemaCollection schemaCollection = new XmlSchemaCollection();
-
-        schema = new XmlSchema(this.schemaTargetNameSpace, schemaCollection);
-//        schema.setElementFormDefault(new XmlSchemaForm(XmlSchemaForm.QUALIFIED));
-        schema.setPrefixToNamespaceMap(prefixmap);
-        this.typeTable = new TypeTable();
-
-        Class clazz = Class.forName(className, true, loader);
-        methodTable = new MethodTable(clazz);
-    }
-
-    /**
-     * Generates schema for all the parameters in method. First generates schema
-     * for all different parameter type and later refers to them.
-     *
-     * @return Returns XmlSchema.
-     * @throws Exception
-     */
-    public XmlSchema generateSchema() throws Exception {
-
-        JamServiceFactory factory = JamServiceFactory.getInstance();
-        JamServiceParams jam_service_parms = factory.createServiceParams();
-        //setting the classLoder
-//        jam_service_parms.setParentClassLoader(factory.createJamClassLoader(classLoader));
-        //it can posible to add the classLoader as well
-        jam_service_parms.addClassLoader(classLoader);
-        jam_service_parms.includeClass(className);
-        JamService service = factory.createService(jam_service_parms);
-
-        JamClassIterator jClassIter = service.getClasses();
-        //all most all the time the ittr will have only one class in it
-        while (jClassIter.hasNext()) {
-            JClass jclass = (JClass) jClassIter.next();
-            // serviceName = jclass.getSimpleName();
-            //todo in the future , when we support annotation we can use this
-            //JAnnotation[] annotations = jclass.getAnnotations();
-
-            /**
-             * Schema genertaion done in two stage
-             *  1. Load all the methods and create type for methods parameters (if the parameters are
-             *     Bean then it will create Complex types for those , and if the parameters are simple
-             *     type which decribe in SimpleTypeTable nothing will happen)
-             *  2. In the next stage for all the methods messages and port types will be
-             *     creteated
-             */
-            methods = jclass.getDeclaredMethods();
-
-            // since we do not support overload
-            HashMap uniqueMethods = new HashMap();
-
-            for (int i = 0; i < methods.length; i++) {
-                JMethod jMethod = methods[i];
-                //no need to think abt this method , since that is system config method
-                if (jMethod.getSimpleName().equals("init") ||
-                        "setOperationContext".equals(jMethod.getSimpleName()))
-                    continue;
-                if (uniqueMethods.get(jMethod.getSimpleName()) != null) {
-                    throw new Exception(" Sorry we don't support methods overloading !!!! ");
-                }
-
-                if (!jMethod.isPublic()) {
-                    // no need to generate Schema for non public methods
-                    continue;
-                }
-                uniqueMethods.put(jMethod.getSimpleName(), jMethod);
-
-                //it can easily get the annotations
-//                jMethod.getAnnotations();
-                JParameter [] paras = jMethod.getParameters();
-                for (int j = 0; j < paras.length; j++) {
-                    JParameter methodParameter = paras[j];
-                    JClass paraType = methodParameter.getType();
-                    String classTypeName = paraType.getQualifiedName();
-                    if (paraType.isArrayType()) {
-                        classTypeName = paraType.getArrayComponentType().getQualifiedName();
-                        if (!typeTable.isSimpleType(classTypeName)) {
-                            generateSchema(paraType.getArrayComponentType());
-                        }
-                    } else {
-                        if (!typeTable.isSimpleType(classTypeName)) {
-                            generateSchema(methodParameter.getType());
-                        }
-                    }
-                    /**
-                     * 1. have to check whethet its a simple type
-                     * 2. then to check whther its a simple type array
-                     * 3. OM elemney
-                     * 4. Bean
-                     */
-
-                }
-                // for its return type
-                JClass retuenType = jMethod.getReturnType();
-                if (!retuenType.isVoidType()) {
-                    if (retuenType.isArrayType()) {
-                        String returnTypeName = retuenType.getArrayComponentType().getQualifiedName();
-                        if (!typeTable.isSimpleType(returnTypeName)) {
-                            generateSchema(retuenType.getArrayComponentType());
-                        }
-                    } else {
-                        if (!typeTable.isSimpleType(retuenType.getQualifiedName())) {
-                            generateSchema(retuenType);
-                        }
-                    }
-                }
-
-            }
-            generateWrapperElements(methods);
-        }
-        return schema;
-    }
-
-    /**
-     * Generates wrapper element. If a method takes more than one parameter
-     * e.g. foo(Type1 para1, Type2 para2){} creates a Wrapper element like
-     * <element name="fooInParameter type="tns:fooInParameterElement"">
-     * <complexType name="fooInParameterElement">
-     * <sequnce>
-     * <element name="para1" type="tns:Type1">
-     * <element name="para2" type="tns:Type2">
-     * </sequnce>
-     * </complexType>
-     * </element>
-     */
-    private void generateWrapperElements(JMethod methods[]) {
-        for (int i = 0; i < methods.length; i++) {
-            JMethod method = methods[i];
-            if (method.getSimpleName().equals("init"))
-                continue;
-            if (!method.isPublic())
-                continue;
-            genereteWrapperElementforMethod(method);
-        }
-    }
-
-    private void genereteWrapperElementforMethod(JMethod method) {
-        String methodName = method.getSimpleName();
-        XmlSchemaComplexType complexType = new XmlSchemaComplexType(schema);
-        XmlSchemaSequence sequence = new XmlSchemaSequence();
-
-        XmlSchemaElement eltOuter = new XmlSchemaElement();
-        eltOuter.setName(methodName);
-//        String complexTypeName = methodName + METHOD_REQUEST_WRAPPER;
-//        complexType.setName(complexTypeName);
-        schema.getItems().add(eltOuter);
-//        schema.getItems().add(complexType);
-//        eltOuter.setSchemaTypeName(complexType.getQName());
-        eltOuter.setSchemaType(complexType);
-        // adding this type to the table
-        QName elementName = new QName(this.schemaTargetNameSpace,
-                eltOuter.getName(), this.schema_namespace_prefix);
-        typeTable.addComplexSchema(methodName, elementName);
-
-        JParameter [] paras = method.getParameters();
-        if (paras.length > 0) {
-            complexType.setParticle(sequence);
-        }
-        String parameterNames [] = null;
-        if (paras.length > 0) {
-            parameterNames = methodTable.getParameterNames(methodName);
-        }
-        for (int j = 0; j < paras.length; j++) {
-            JParameter methodParameter = paras[j];
-            String paraName = methodParameter.getSimpleName();
-            String classTypeName = methodParameter.getType().getQualifiedName();
-            boolean isArryType = methodParameter.getType().isArrayType();
-            if (isArryType) {
-                classTypeName = methodParameter.getType().getArrayComponentType().getQualifiedName();
-            }
-
-            if (parameterNames != null) {
-                paraName = parameterNames[j];
-            }
-
-            if (typeTable.isSimpleType(classTypeName)) {
-                XmlSchemaElement elt1 = new XmlSchemaElement();
-                elt1.setName(paraName);
-                elt1.setSchemaTypeName(typeTable.getSimpleSchemaTypeName(classTypeName));
-                sequence.getItems().add(elt1);
-                if (isArryType) {
-                    elt1.setMaxOccurs(Long.MAX_VALUE);
-                    elt1.setMinOccurs(0);
-                }
-            } else {
-                XmlSchemaElement elt1 = new XmlSchemaElement();
-                elt1.setName(paraName);
-                elt1.setSchemaTypeName(typeTable.getComplexSchemaType(classTypeName));
-                sequence.getItems().add(elt1);
-                if (isArryType) {
-                    elt1.setMaxOccurs(Long.MAX_VALUE);
-                    elt1.setMinOccurs(0);
-                }
-            }
-        }
-
-        //generating wrapper element for retuen element
-        JClass methodReturnType = method.getReturnType();
-        generateWrapperforReturnType(methodReturnType, methodName);
-
-    }
-
-    private void generateWrapperforReturnType(JClass retuenType, String methodName) {
-        if (!retuenType.isVoidType()) {
-            XmlSchemaComplexType retuen_com_type = new XmlSchemaComplexType(schema);
-            XmlSchemaElement ret_eltOuter = new XmlSchemaElement();
-            ret_eltOuter.setName(methodName + Java2WSDLConstants.RESPONSE);
-            schema.getItems().add(ret_eltOuter);
-            ret_eltOuter.setSchemaType(retuen_com_type);
-            QName ret_comTypeName = new QName(this.schemaTargetNameSpace,
-                    ret_eltOuter.getName(), this.schema_namespace_prefix);
-            typeTable.addComplexSchema(methodName + Java2WSDLConstants.RESPONSE, ret_comTypeName);
-            String classTypeName = retuenType.getQualifiedName();
-            boolean isArryType = retuenType.isArrayType();
-            XmlSchemaSequence sequence = new XmlSchemaSequence();
-            retuen_com_type.setParticle(sequence);
-            if (isArryType) {
-                classTypeName = retuenType.getArrayComponentType().getQualifiedName();
-            }
-            if (typeTable.isSimpleType(classTypeName)) {
-                XmlSchemaElement elt1 = new XmlSchemaElement();
-                elt1.setName("return");
-                elt1.setSchemaTypeName(typeTable.getSimpleSchemaTypeName(classTypeName));
-                sequence.getItems().add(elt1);
-                if (isArryType) {
-                    elt1.setMaxOccurs(Long.MAX_VALUE);
-                    elt1.setMinOccurs(0);
-                }
-            } else {
-                XmlSchemaElement elt1 = new XmlSchemaElement();
-                elt1.setName("return");
-                elt1.setSchemaTypeName(typeTable.getComplexSchemaType(classTypeName));
-                sequence.getItems().add(elt1);
-                if (isArryType) {
-                    elt1.setMaxOccurs(Long.MAX_VALUE);
-                    elt1.setMinOccurs(0);
-                }
-            }
-        }
-    }
-
-    /**
-     * JAM convert first name of an attribute into UpperCase as an example
-     * if there is a instance variable called foo in a bean , then Jam give that as Foo
-     * so this method is to correct that error
-     *
-     * @param wrongName
-     * @return the right name, using english as the locale for case conversion
-     */
-    public static String getCorrectName(String wrongName) {
-        if (wrongName.length() > 1) {
-            return wrongName.substring(0, 1).toLowerCase(Locale.ENGLISH)
-                    + wrongName.substring(1, wrongName.length());
-        } else {
-            return wrongName.substring(0, 1).toLowerCase(Locale.ENGLISH);
-        }
-    }
-
-    private void generateSchema(JClass javaType) {
-        String name = javaType.getQualifiedName();
-        if (typeTable.getComplexSchemaType(name) == null) {
-            String simpleName = javaType.getSimpleName();
-
-            XmlSchemaComplexType complexType = new XmlSchemaComplexType(schema);
-            XmlSchemaSequence sequence = new XmlSchemaSequence();
-
-            XmlSchemaElement eltOuter = new XmlSchemaElement();
-            QName elemntName = new QName(this.schemaTargetNameSpace, simpleName, this.schema_namespace_prefix);
-            eltOuter.setName(simpleName);
-            eltOuter.setQName(elemntName);
-            complexType.setParticle(sequence);
-            complexType.setName(simpleName);
-
-            schema.getItems().add(eltOuter);
-            schema.getItems().add(complexType);
-            eltOuter.setSchemaTypeName(complexType.getQName());
-//            System.out.println("QNAme: " + eltOuter.getQName().getPrefix());
-
-            // adding this type to the table
-            //  typeTable.addComplexScheam(name, complexType.getQName());
-            typeTable.addComplexSchema(name, eltOuter.getQName());
-
-            JProperty [] properties = javaType.getDeclaredProperties();
-            for (int i = 0; i < properties.length; i++) {
-                JProperty property = properties[i];
-                String propertyName = property.getType().getQualifiedName();
-                boolean isArryType = property.getType().isArrayType();
-                if (isArryType) {
-                    propertyName = property.getType().getArrayComponentType().getQualifiedName();
-                }
-                if (typeTable.isSimpleType(propertyName)) {
-                    XmlSchemaElement elt1 = new XmlSchemaElement();
-                    elt1.setName(getCorrectName(property.getSimpleName()));
-                    elt1.setSchemaTypeName(typeTable.getSimpleSchemaTypeName(propertyName));
-                    sequence.getItems().add(elt1);
-                    if (isArryType) {
-                        elt1.setMaxOccurs(Long.MAX_VALUE);
-                        elt1.setMinOccurs(0);
-                    }
-                } else {
-                    if (isArryType) {
-                        generateSchema(property.getType().getArrayComponentType());
-                    } else {
-                        generateSchema(property.getType());
-                    }
-                    XmlSchemaElement elt1 = new XmlSchemaElement();
-                    elt1.setName(getCorrectName(property.getSimpleName()));
-                    elt1.setSchemaTypeName(typeTable.getComplexSchemaType(propertyName));
-                    sequence.getItems().add(elt1);
-                    if (isArryType) {
-                        elt1.setMaxOccurs(Long.MAX_VALUE);
-                        elt1.setMinOccurs(0);
-                    }
-                }
-            }
-        }
-    }
-
-    public TypeTable getTypeTable() {
-        return typeTable;
-    }
-
-    public JMethod[] getMethods() {
-        return methods;
-    }
-
-}
-
+package org.apache.ws.java2wsdl;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.Locale;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.ws.commons.schema.XmlSchema;
+import org.apache.ws.commons.schema.XmlSchemaCollection;
+import org.apache.ws.commons.schema.XmlSchemaComplexType;
+import org.apache.ws.commons.schema.XmlSchemaElement;
+import org.apache.ws.commons.schema.XmlSchemaImport;
+import org.apache.ws.commons.schema.XmlSchemaSequence;
+import org.apache.ws.java2wsdl.bytecode.MethodTable;
+import org.apache.ws.java2wsdl.utils.TypeTable;
+import org.codehaus.jam.JClass;
+import org.codehaus.jam.JMethod;
+import org.codehaus.jam.JParameter;
+import org.codehaus.jam.JProperty;
+import org.codehaus.jam.JamClassIterator;
+import org.codehaus.jam.JamService;
+import org.codehaus.jam.JamServiceFactory;
+import org.codehaus.jam.JamServiceParams;
+
+/*
+* Copyright 2004,2005 The Apache Software Foundation.
+*
+* Licensed 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.
+*
+* @author : Deepal Jayasinghe (deepal@apache.org)
+*
+*/
+
+public class SchemaGenerator implements Java2WSDLConstants {
+
+    public static final String NAME_SPACE_PREFIX = "stn_";
+
+    private static int prefixCount = 1;
+
+    protected Map targetNamespacePrefixMap = new Hashtable();
+
+    protected Map schemaMap = new Hashtable();
+
+    protected XmlSchemaCollection xmlSchemaCollection = new XmlSchemaCollection();
+
+    protected Log log = LogFactory.getLog(getClass());
+
+    private ClassLoader classLoader;
+
+    private String className;
+
+    private TypeTable typeTable = new TypeTable();
+
+    // to keep loadded method using JAM
+    private JMethod methods [];
+
+    //to store byte code method using Axis 1.x codes
+    private MethodTable methodTable;
+
+    private String schemaTargetNameSpace;
+
+    private String schema_namespace_prefix;
+
+    private Class clazz;
+
+    public SchemaGenerator(ClassLoader loader, String className,
+                           String schematargetNamespace, String schematargetNamespacePrefix)
+            throws Exception {
+        this.classLoader = loader;
+        this.className = className;
+
+        clazz = Class.forName(className, true, loader);
+        methodTable = new MethodTable(clazz);
+
+        if (schematargetNamespace != null
+                && !schematargetNamespace.trim().equals("")) {
+            this.schemaTargetNameSpace = schematargetNamespace;
+        } else {
+            this.schemaTargetNameSpace = Java2WSDLUtils
+                    .schemaNamespaceFromClassName(className).toString();
+        }
+        if (schematargetNamespacePrefix != null
+                && !schematargetNamespacePrefix.trim().equals("")) {
+            this.schema_namespace_prefix = schematargetNamespacePrefix;
+        } else {
+            this.schema_namespace_prefix = SCHEMA_NAMESPACE_PRFIX;
+        }
+
+        XmlSchema xmlSchema = getXmlSchema(clazz.getPackage().getName(), schemaTargetNameSpace, schema_namespace_prefix);
+        xmlSchema.getPrefixToNamespaceMap().put(DEFAULT_SCHEMA_NAMESPACE_PREFIX,
+                URI_2001_SCHEMA_XSD);
+
+        XmlSchemaCollection schemaCollection = new XmlSchemaCollection();
+    }
+
+    /**
+     * Generates schema for all the parameters in method. First generates schema
+     * for all different parameter type and later refers to them.
+     *
+     * @return Returns XmlSchema.
+     * @throws Exception
+     */
+    public Collection generateSchema() throws Exception {
+
+        JamServiceFactory factory = JamServiceFactory.getInstance();
+        JamServiceParams jam_service_parms = factory.createServiceParams();
+        //setting the classLoder
+//        jam_service_parms.setParentClassLoader(factory.createJamClassLoader(classLoader));
+        //it can posible to add the classLoader as well
+        jam_service_parms.addClassLoader(classLoader);
+        jam_service_parms.includeClass(className);
+        JamService service = factory.createService(jam_service_parms);
+
+        JamClassIterator jClassIter = service.getClasses();
+        //all most all the time the ittr will have only one class in it
+        while (jClassIter.hasNext()) {
+            JClass jclass = (JClass) jClassIter.next();
+            // serviceName = jclass.getSimpleName();
+            //todo in the future , when we support annotation we can use this
+            //JAnnotation[] annotations = jclass.getAnnotations();
+
+            /**
+             * Schema genertaion done in two stage 1. Load all the methods and
+             * create type for methods parameters (if the parameters are Bean
+             * then it will create Complex types for those , and if the
+             * parameters are simple type which decribe in SimpleTypeTable
+             * nothing will happen) 2. In the next stage for all the methods
+             * messages and port types will be creteated
+             */
+            methods = jclass.getDeclaredMethods();
+
+            // since we do not support overload
+            HashMap uniqueMethods = new HashMap();
+
+            for (int i = 0; i < methods.length; i++) {
+                JMethod jMethod = methods[i];
+                // no need to think abt this method , since that is system
+                // config method
+                if (jMethod.getSimpleName().equals("init")
+                        || "setOperationContext"
+                        .equals(jMethod.getSimpleName()))
+                    continue;
+                if (uniqueMethods.get(jMethod.getSimpleName()) != null) {
+                    throw new Exception(
+                            " Sorry we don't support methods overloading !!!! ");
+                }
+
+                if (!jMethod.isPublic()) {
+                    // no need to generate Schema for non public methods
+                    continue;
+                }
+                uniqueMethods.put(jMethod.getSimpleName(), jMethod);
+
+                //it can easily get the annotations
+//                jMethod.getAnnotations();
+                JParameter [] paras = jMethod.getParameters();
+                for (int j = 0; j < paras.length; j++) {
+                    JParameter methodParameter = paras[j];
+                    JClass paraType = methodParameter.getType();
+                    String classTypeName = paraType.getQualifiedName();
+                    if (paraType.isArrayType()) {
+                        classTypeName = paraType.getArrayComponentType()
+                                .getQualifiedName();
+                        if (!typeTable.isSimpleType(classTypeName)) {
+                            generateSchema(paraType.getArrayComponentType());
+                        }
+                    } else {
+                        if (!typeTable.isSimpleType(classTypeName)) {
+                            generateSchema(methodParameter.getType());
+                        }
+                    }
+                    /**
+                     * 1. have to check whethet its a simple type 2. then to
+                     * check whther its a simple type array 3. OM elemney 4.
+                     * Bean
+                     */
+
+                }
+                // for its return type
+                JClass retuenType = jMethod.getReturnType();
+                if (!retuenType.isVoidType()) {
+                    if (retuenType.isArrayType()) {
+                        String returnTypeName = retuenType
+                                .getArrayComponentType().getQualifiedName();
+                        if (!typeTable.isSimpleType(returnTypeName)) {
+                            generateSchema(retuenType.getArrayComponentType());
+                        }
+                    } else {
+                        if (!typeTable.isSimpleType(retuenType
+                                .getQualifiedName())) {
+                            generateSchema(retuenType);
+                        }
+                    }
+                }
+
+            }
+            generateWrapperElements(methods);
+        }
+        return schemaMap.values();
+    }
+
+    /**
+     * Generates wrapper element. If a method takes more than one parameter e.g.
+     * foo(Type1 para1, Type2 para2){} creates a Wrapper element like <element
+     * name="fooInParameter type="tns:fooInParameterElement""> <complexType
+     * name="fooInParameterElement"> <sequnce> <element name="para1"
+     * type="tns:Type1"> <element name="para2" type="tns:Type2"> </sequnce>
+     * </complexType> </element>
+     */
+    private void generateWrapperElements(JMethod methods[]) throws Exception {
+        for (int i = 0; i < methods.length; i++) {
+            JMethod method = methods[i];
+            if (method.getSimpleName().equals("init"))
+                continue;
+            if (!method.isPublic())
+                continue;
+            generateWrapperElementforMethod(method);
+        }
+    }
+
+    private void generateWrapperElementforMethod(JMethod method) throws Exception {
+        //since the wrapper elements are generated for the methods of the service interface
+        //we get the schema that corresponds to the package of the service interface classname
+        XmlSchema xmlSchema = getXmlSchema(clazz.getPackage().getName(),
+                schemaTargetNameSpace,
+                schema_namespace_prefix);
+        String methodName = method.getSimpleName();
+        XmlSchemaComplexType complexType = new XmlSchemaComplexType(xmlSchema);
+        XmlSchemaSequence sequence = new XmlSchemaSequence();
+
+        XmlSchemaElement eltOuter = new XmlSchemaElement();
+        eltOuter.setName(methodName);
+        eltOuter.setSchemaType(complexType);
+        // adding this type to the table
+        QName elementName = new QName(this.schemaTargetNameSpace, eltOuter
+                .getName(), this.schema_namespace_prefix);
+        typeTable.addComplexSchema(methodName, elementName);
+        xmlSchema.getItems().add(eltOuter);
+        xmlSchema.getElements().add(elementName, eltOuter);
+
+        JParameter [] paras = method.getParameters();
+        if (paras.length > 0) {
+            complexType.setParticle(sequence);
+        }
+        String parameterNames [] = null;
+        if (paras.length > 0) {
+            parameterNames = methodTable.getParameterNames(methodName);
+        }
+        for (int j = 0; j < paras.length; j++) {
+            JParameter methodParameter = paras[j];
+            String paraName = methodParameter.getSimpleName();
+            String classTypeName = methodParameter.getType().getQualifiedName();
+            boolean isArryType = methodParameter.getType().isArrayType();
+            if (isArryType) {
+                classTypeName = methodParameter.getType()
+                        .getArrayComponentType().getQualifiedName();
+            }
+
+            if (parameterNames != null) {
+                paraName = parameterNames[j];
+            }
+
+            if (typeTable.isSimpleType(classTypeName)) {
+                XmlSchemaElement elt1 = new XmlSchemaElement();
+                elt1.setName(paraName);
+                elt1.setSchemaTypeName(typeTable
+                        .getSimpleSchemaTypeName(classTypeName));
+                sequence.getItems().add(elt1);
+                if (isArryType) {
+                    elt1.setMaxOccurs(Long.MAX_VALUE);
+                    elt1.setMinOccurs(0);
+                }
+            } else {
+                XmlSchemaElement elt1 = new XmlSchemaElement();
+                elt1.setName(paraName);
+                elt1.setSchemaTypeName(typeTable
+                        .getComplexSchemaType(classTypeName));
+                sequence.getItems().add(elt1);
+                if (isArryType) {
+                    elt1.setMaxOccurs(Long.MAX_VALUE);
+                    elt1.setMinOccurs(0);
+                }
+
+                if (!xmlSchema.getPrefixToNamespaceMap().values().
+                        contains(typeTable.getComplexSchemaType(classTypeName).getNamespaceURI())) {
+                    XmlSchemaImport importElement = new XmlSchemaImport();
+                    importElement.setNamespace(typeTable.getComplexSchemaType(classTypeName).getNamespaceURI());
+                    xmlSchema.getItems().add(importElement);
+                    xmlSchema.getPrefixToNamespaceMap().
+                            put(generatePrefix(), typeTable.getComplexSchemaType(classTypeName).getNamespaceURI());
+                }
+            }
+        }
+
+        //generating wrapper element for retuen element
+        JClass methodReturnType = method.getReturnType();
+        generateWrapperforReturnType(methodReturnType, methodName);
+
+    }
+
+    private void generateWrapperforReturnType(JClass retuenType,
+                                              String methodName) throws Exception {
+        //since the wrapper elements are generated for the methods of the service interface
+        //we get the schema that corresponds to the package of the service interface classname
+        XmlSchema xmlSchema = getXmlSchema(clazz.getPackage().getName(),
+                schemaTargetNameSpace,
+                schema_namespace_prefix);
+        if (!retuenType.isVoidType()) {
+            XmlSchemaComplexType retuen_com_type = new XmlSchemaComplexType(
+                    xmlSchema);
+            XmlSchemaElement ret_eltOuter = new XmlSchemaElement();
+            ret_eltOuter.setName(methodName + RESPONSE);
+
+            ret_eltOuter.setSchemaType(retuen_com_type);
+            QName ret_comTypeName = new QName(this.schemaTargetNameSpace,
+                    ret_eltOuter.getName(), this.schema_namespace_prefix);
+            xmlSchema.getItems().add(ret_eltOuter);
+            xmlSchema.getElements().add(ret_comTypeName, ret_eltOuter);
+
+            typeTable.addComplexSchema(
+                    methodName + RESPONSE, ret_comTypeName);
+            String classTypeName = retuenType.getQualifiedName();
+            boolean isArryType = retuenType.isArrayType();
+            XmlSchemaSequence sequence = new XmlSchemaSequence();
+            retuen_com_type.setParticle(sequence);
+            if (isArryType) {
+                classTypeName = retuenType.getArrayComponentType()
+                        .getQualifiedName();
+            }
+            if (typeTable.isSimpleType(classTypeName)) {
+                XmlSchemaElement elt1 = new XmlSchemaElement();
+                elt1.setName("return");
+                elt1.setSchemaTypeName(typeTable
+                        .getSimpleSchemaTypeName(classTypeName));
+                sequence.getItems().add(elt1);
+                if (isArryType) {
+                    elt1.setMaxOccurs(Long.MAX_VALUE);
+                    elt1.setMinOccurs(0);
+                }
+            } else {
+                XmlSchemaElement elt1 = new XmlSchemaElement();
+                elt1.setName("return");
+                elt1.setSchemaTypeName(typeTable
+                        .getComplexSchemaType(classTypeName));
+                sequence.getItems().add(elt1);
+                if (isArryType) {
+                    elt1.setMaxOccurs(Long.MAX_VALUE);
+                    elt1.setMinOccurs(0);
+                }
+                if (!xmlSchema.getPrefixToNamespaceMap().values().
+                        contains(typeTable.getComplexSchemaType(classTypeName).getNamespaceURI())) {
+                    XmlSchemaImport importElement = new XmlSchemaImport();
+                    importElement.setNamespace(typeTable.getComplexSchemaType(classTypeName).getNamespaceURI());
+                    xmlSchema.getItems().add(importElement);
+                    xmlSchema.getPrefixToNamespaceMap().
+                            put(generatePrefix(), typeTable.getComplexSchemaType(classTypeName).getNamespaceURI());
+                }
+            }
+        }
+    }
+
+    /**
+     * JAM convert first name of an attribute into UpperCase as an example if
+     * there is a instance variable called foo in a bean , then Jam give that as
+     * Foo so this method is to correct that error
+     *
+     * @param wrongName
+     * @return the right name, using english as the locale for case conversion
+     */
+    public static String getCorrectName(String wrongName) {
+        if (wrongName.length() > 1) {
+            return wrongName.substring(0, 1).toLowerCase(Locale.ENGLISH)
+                    + wrongName.substring(1, wrongName.length());
+        } else {
+            return wrongName.substring(0, 1).toLowerCase(Locale.ENGLISH);
+        }
+    }
+
+    /**
+     * @param javaType
+     */
+    private void generateSchema(JClass javaType) {
+        String name = javaType.getQualifiedName();
+        if (typeTable.getComplexSchemaType(name) == null) {
+            String simpleName = javaType.getSimpleName();
+
+            String packageName = javaType.getContainingPackage().getQualifiedName();
+            String targetNameSpace = Java2WSDLUtils.schemaNamespaceFromPackageName(packageName).toString();
+
+            XmlSchema xmlSchema = getXmlSchema(packageName, targetNameSpace, generatePrefix());
+            String targetNamespacePrefix = (String) targetNamespacePrefixMap.get(packageName);
+
+            XmlSchemaComplexType complexType = new XmlSchemaComplexType(xmlSchema);
+            XmlSchemaSequence sequence = new XmlSchemaSequence();
+
+            XmlSchemaElement eltOuter = new XmlSchemaElement();
+            QName elemntName = new QName(targetNameSpace, simpleName, targetNamespacePrefix);
+            eltOuter.setName(simpleName);
+            eltOuter.setQName(elemntName);
+            complexType.setParticle(sequence);
+            complexType.setName(simpleName);
+
+            xmlSchema.getItems().add(eltOuter);
+            xmlSchema.getElements().add(elemntName, eltOuter);
+
+            //xmlSchema.getItems().add(complexType);
+            xmlSchema.getSchemaTypes().add(elemntName, complexType);
+
+            // adding this type to the table
+            //  typeTable.addComplexScheam(name, complexType.getQName());
+            typeTable.addComplexSchema(name, eltOuter.getQName());
+
+            JProperty [] properties = javaType.getDeclaredProperties();
+            for (int i = 0; i < properties.length; i++) {
+                JProperty property = properties[i];
+                String propertyName = property.getType().getQualifiedName();
+                boolean isArryType = property.getType().isArrayType();
+                if (isArryType) {
+                    propertyName = property.getType().getArrayComponentType().getQualifiedName();
+                }
+                if (typeTable.isSimpleType(propertyName)) {
+                    XmlSchemaElement elt1 = new XmlSchemaElement();
+                    elt1.setName(getCorrectName(property.getSimpleName()));
+                    elt1.setSchemaTypeName(typeTable.getSimpleSchemaTypeName(propertyName));
+                    sequence.getItems().add(elt1);
+                    if (isArryType) {
+                        elt1.setMaxOccurs(Long.MAX_VALUE);
+                        elt1.setMinOccurs(0);
+                    }
+                } else {
+                    if (isArryType) {
+                        generateSchema(property.getType().getArrayComponentType());
+                    } else {
+                        generateSchema(property.getType());
+                    }
+                    XmlSchemaElement elt1 = new XmlSchemaElement();
+                    elt1.setName(getCorrectName(property.getSimpleName()));
+                    elt1.setSchemaTypeName(typeTable.getComplexSchemaType(propertyName));
+                    sequence.getItems().add(elt1);
+                    if (isArryType) {
+                        elt1.setMaxOccurs(Long.MAX_VALUE);
+                        elt1.setMinOccurs(0);
+                    }
+
+                    if (!xmlSchema.getPrefixToNamespaceMap().values().
+                            contains(typeTable.getComplexSchemaType(propertyName).getNamespaceURI())) {
+                        XmlSchemaImport importElement = new XmlSchemaImport();
+                        importElement.setNamespace(typeTable.getComplexSchemaType(propertyName).getNamespaceURI());
+                        xmlSchema.getItems().add(importElement);
+                        xmlSchema.getPrefixToNamespaceMap().
+                                put(generatePrefix(), typeTable.getComplexSchemaType(propertyName).getNamespaceURI());
+                }
+            }
+        }
+    }
+    }
+
+    private XmlSchema getXmlSchema(String packageName, String targetNamespace, String targetNamespacePrefix) {
+        XmlSchema xmlSchema = null;
+        // schema element that will hold this type i.e. schema element whose
+        // targetnamespace
+        // corresponds to this type's package
+        if ((xmlSchema = (XmlSchema) schemaMap.get(packageName)) == null) {
+            xmlSchema = new XmlSchema(targetNamespace, xmlSchemaCollection);
+            targetNamespacePrefixMap.put(packageName, targetNamespacePrefix);
+            schemaMap.put(packageName, xmlSchema);
+
+            Hashtable prefixmap = new Hashtable();
+            prefixmap.put(DEFAULT_SCHEMA_NAMESPACE_PREFIX, URI_2001_SCHEMA_XSD);
+            prefixmap.put(targetNamespacePrefix, targetNamespace);
+            xmlSchema.setPrefixToNamespaceMap(prefixmap);
+        }
+
+        return xmlSchema;
+    }
+
+    public TypeTable getTypeTable() {
+        return typeTable;
+    }
+
+    public JMethod[] getMethods() {
+        return methods;
+    }
+
+    private String generatePrefix() {
+        return NAME_SPACE_PREFIX + prefixCount++;
+	}
+}