diff options
Diffstat (limited to 'plugins/org.eclipse.jst.j2ee.core/mofj2ee/org/eclipse/jst/j2ee/ejb/internal/util/CMPHelper.java')
| -rw-r--r-- | plugins/org.eclipse.jst.j2ee.core/mofj2ee/org/eclipse/jst/j2ee/ejb/internal/util/CMPHelper.java | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/plugins/org.eclipse.jst.j2ee.core/mofj2ee/org/eclipse/jst/j2ee/ejb/internal/util/CMPHelper.java b/plugins/org.eclipse.jst.j2ee.core/mofj2ee/org/eclipse/jst/j2ee/ejb/internal/util/CMPHelper.java deleted file mode 100644 index 06c45af2e..000000000 --- a/plugins/org.eclipse.jst.j2ee.core/mofj2ee/org/eclipse/jst/j2ee/ejb/internal/util/CMPHelper.java +++ /dev/null @@ -1,263 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2005 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.j2ee.ejb.internal.util; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.eclipse.jem.java.Field; -import org.eclipse.jem.java.JavaClass; -import org.eclipse.jem.java.JavaHelpers; -import org.eclipse.jem.java.JavaParameter; -import org.eclipse.jem.java.JavaVisibilityKind; -import org.eclipse.jem.java.Method; -import org.eclipse.jst.j2ee.ejb.ContainerManagedEntity; -import org.eclipse.jst.j2ee.internal.J2EEVersionConstants; - - -public class CMPHelper { - - public static final String GET = "get"; //$NON-NLS-1$ - public static final String SET = "set"; //$NON-NLS-1$ - protected static Comparator methodComparator = new Comparator() { - /** - * @see Comparator#compare(Object, Object) - */ - public int compare(Object o1, Object o2) { - Method m1 = (Method) o1; - Method m2 = (Method) o2; - String s1 = m1.getName(); - String s2 = m2.getName(); - if (s1 == null) - return "".compareTo(s2); //$NON-NLS-1$ - return s1.compareTo(s2); - } - }; - - public interface CMPFieldExistTester { - boolean isExisting(Field aField); - boolean isExisting(Method aMethod); - } - - protected CMPHelper() { - super(); - } - - /** - * For CMP 2.0 beans, the bean class is abstract and - * contains abstract get/set methods for the fields - * This infers the those fields based on the get/set methods - * - * @return java.util.List of {@link CMPFieldDescriptor} - */ - public static List getAvailableCMP20FieldDescriptors(JavaClass beanClass) { - return getAvailableCMP20FieldDescriptors(beanClass, null); - } - - /** - * For CMP 2.0 beans, the bean class is abstract and - * contains abstract get/set methods for the fields - * This infers the those fields based on the get/set methods - * - * @return java.util.List of {@link CMPFieldDescriptor} - */ - public static List getAvailableCMP20FieldDescriptors(JavaClass beanClass, CMPHelper.CMPFieldExistTester fieldTester) { - if (beanClass == null) - return Collections.EMPTY_LIST; - List result = new ArrayList(); - Map getters = new HashMap(); - List methods = beanClass.getPublicMethodsExtended(); - Collections.sort(methods, methodComparator); - for (int i = 0; i < methods.size(); i++) { - Method aMethod = (Method) methods.get(i); - if (isGetter(aMethod) && aMethod.isAbstract() && !aMethod.isStatic() && - (fieldTester == null || fieldTester.isExisting(aMethod))) - getters.put(getFieldName(aMethod), aMethod); - else if (isSetter(aMethod) && aMethod.isAbstract() && !aMethod.isStatic()) { - String fieldName = getFieldName(aMethod); - Method getter = (Method) getters.get(fieldName); - if (typesAgree(getter, aMethod)) { - String typeName = getReturnTypeName(getter); - if (typeName != null && (fieldTester == null || fieldTester.isExisting(getter))) - result.add(createFieldDescriptor(fieldName, typeName)); - } - } - } - return result; - } - - /** - * For CMP 1.1 beans, the list is simply the fields, extended, - * on the bean class - * - * @return java.util.List of {@link CMPFieldDescriptor} - */ - public static List getAvailableCMP11FieldDescriptors(JavaClass beanClass) { - return getAvailableCMP11FieldDescriptors(beanClass, null); - } - - /** - * For CMP 1.1 beans, the list is simply the fields, extended, - * on the bean class - * - * @return java.util.List of {@link CMPFieldDescriptor} - */ - public static List getAvailableCMP11FieldDescriptors(JavaClass beanClass, CMPHelper.CMPFieldExistTester fieldTester) { - if (beanClass == null) - return Collections.EMPTY_LIST; - List fields = beanClass.getFieldsExtended(); - List result = new ArrayList(); - for (int i = 0; i < fields.size(); i++) { - Field aField = (Field) fields.get(i); - if (!isPublic(aField) || aField.isStatic() || aField.isTransient() || - (fieldTester != null && !fieldTester.isExisting(aField))) - continue; - String name = aField.getName(); - String typeName = getTypeName(aField); - if (typeName != null && name != null) - result.add(createFieldDescriptor(name, typeName)); - } - return result; - } - - /** - * Get a list of available cmp fields for the CMP bean; if the bean - * is v1.1, this is the fields on the bean class; if it is 2.0, this - * is defined by the abstract get/set methods on the bean class - * - * @return java.util.List of {@link CMPFieldDescriptor} - */ - public static List getAvailableCMPFieldDescriptors(ContainerManagedEntity cmpBean) { - return getAvailableCMPFieldDescriptors(cmpBean, null); - } - - /** - * Get a list of available cmp fields for the CMP bean; if the bean - * is v1.1, this is the fields on the bean class; if it is 2.0, this - * is defined by the abstract get/set methods on the bean class - * - * @return java.util.List of {@link CMPFieldDescriptor} - */ - public static List getAvailableCMPFieldDescriptors(ContainerManagedEntity cmpBean, CMPHelper.CMPFieldExistTester fieldTester) { - JavaClass beanClass = cmpBean.getEjbClass(); - if (beanClass == null) - return Collections.EMPTY_LIST; - switch(cmpBean.getVersionID()) { - case J2EEVersionConstants.EJB_1_0_ID: - case J2EEVersionConstants.EJB_1_1_ID: - return getAvailableCMP11FieldDescriptors(beanClass, fieldTester); - case J2EEVersionConstants.EJB_2_0_ID: - case J2EEVersionConstants.EJB_2_1_ID: default: - return getAvailableCMP20FieldDescriptors(beanClass, fieldTester); - } - } - - /** - * Does the method name start with "get", and is the method a zero arg - * method, that does not return void? - */ - protected static boolean isGetter(Method aMethod) { - String name = aMethod.getName(); - return name != null && - name.startsWith(GET) && - name.length() > 3 && - aMethod.listParametersWithoutReturn().length==0 && - !aMethod.isVoid(); - } - - - /** - * Does the method name start with "get", and is the method a one arg - * method, that is void - */ - protected static boolean isSetter(Method aMethod) { - String name = aMethod.getName(); - return name != null && - name.startsWith(SET) && - name.length() > 3 && - aMethod.listParametersWithoutReturn().length == 1 && - aMethod.isVoid(); - } - - protected static String getFieldName(Method aMethod) { - if (aMethod == null) - return null; - - return getFieldName(aMethod.getName()); - } - - public static String getFieldName(String methodName) { - if (methodName == null) - return null; - StringBuffer sb = new StringBuffer(methodName); - sb.delete(0, 3); - char lower = Character.toLowerCase(sb.charAt(0)); - sb.setCharAt(0, lower); - return sb.toString(); - } - - protected static String getReturnTypeName(Method getter) { - if (getter == null) - return null; - JavaHelpers retType = getter.getReturnType(); - return getTypeName(retType); - } - - protected static String getTypeName(Field aField) { - if (aField == null) - return null; - JavaHelpers type = (JavaHelpers)aField.getEType(); - return getTypeName(type); - } - - protected static String getTypeName(JavaHelpers helpers) { - if (helpers == null) - return null; - return helpers.getQualifiedName(); - } - /** - * Precondition: setter must take one parameter, and getter must return - * a type, not void - */ - protected static boolean typesAgree(Method getter, Method setter) { - if (getter == null || getter.isVoid() || setter == null) - return false; - - JavaParameter[] parameters = setter.listParametersWithoutReturn(); - if (parameters.length != 1) - return false; - - JavaParameter param = parameters[0]; - return param.getEType() != null && - param.getEType() == getter.getReturnType(); - } - - protected static CMPFieldDescriptor createFieldDescriptor(String name, String typeName) { - CMPFieldDescriptor desc = new CMPFieldDescriptor(); - desc.setName(name); - desc.setType(typeName); - return desc; - } - - protected static boolean isPublic(Field field) { - if (field == null) - return false; - return (JavaVisibilityKind.PUBLIC_LITERAL.getValue() == field.getJavaVisibility().getValue()); - } - - - -} - |