diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/PrintUtil.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/PrintUtil.java | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/PrintUtil.java b/sandbox/ant/sca/tags/2.0-M2/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/PrintUtil.java deleted file mode 100644 index 3762cc6e77..0000000000 --- a/sandbox/ant/sca/tags/2.0-M2/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/PrintUtil.java +++ /dev/null @@ -1,273 +0,0 @@ -/* - * 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.assembly.builder.impl; - -import java.beans.BeanInfo; -import java.beans.IntrospectionException; -import java.beans.Introspector; -import java.beans.PropertyDescriptor; -import java.io.OutputStream; -import java.io.OutputStreamWriter; -import java.io.PrintWriter; -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.HashSet; -import java.util.List; -import java.util.Set; - -import org.w3c.dom.Node; - -/** - * A simple print utility class to help print model instances. - * - * @version $Rev$ $Date$ - */ -class PrintUtil { - private boolean useGetters = false; - private PrintWriter out; - private int indent; - - public PrintUtil(PrintWriter out, boolean useGetters) { - this.out = out; - this.useGetters = useGetters; - } - - public PrintUtil(OutputStream out) { - this.out = new PrintWriter(new OutputStreamWriter(out), true); - } - - void indent() { - for (int i = 0; i < indent; i++) { - out.print(" "); - } - } - - /** - * Print an object. - * - * @param object - */ - public void print(Object object) { - Set<Integer> objects = new HashSet<Integer>(); - print(object, objects); - } - - /** - * Print an object. - * - * @param object - */ - private void print(Object object, Set<Integer> printed) { - if (object == null) { - return; - } - int id = System.identityHashCode(object); - if (printed.contains(id)) { - - // If we've already printed an object, print just it's HashCode - indent(); - out.println(object.getClass().getName() + "@" + id); - } else { - printed.add(id); - try { - - // Print the object class name - indent(); - out.println(object.getClass().getSimpleName() + " {"); - - // Get the object's properties - ValueAccessor accessor = useGetters ? new PropertyAccessor(object) : new FieldAccessor(object); - for (int i = 0; i < accessor.size(); i++) { - try { - - // Get the value of each property - Object value = accessor.getValue(i); - if (value != null) { - - // Convert array value into a list - if (value.getClass().isArray()) { - value = Arrays.asList((Object[])value); - } - - // Print elements in a list - if (value instanceof List) { - if (!((List<?>)value).isEmpty()) { - indent++; - indent(); - out.println(accessor.getName(i) + "= ["); - - // Print each element, recursively - for (Object element : (List<?>)value) { - indent++; - print(element, printed); - indent--; - } - indent(); - out.println(" ]"); - indent--; - } - } else { - Class<?> valueClass = value.getClass(); - - // Print a primitive, java built in type or - // enum, using toString() - if (valueClass.isPrimitive() || valueClass.getName().startsWith("java.") - || valueClass.getName().startsWith("javax.") - || valueClass.isEnum()) { - if (!accessor.getName(i).equals("class")) { - if (!(Boolean.FALSE.equals(value))) { - indent++; - indent(); - out.println(accessor.getName(i) + "=" + value.toString()); - indent--; - } - } - } else if (value instanceof Node) { - indent++; - indent(); - out.println(accessor.getName(i) + "=" + value.toString()); - indent--; - } else { - - // Print an object, recursively - indent++; - indent(); - out.println(accessor.getName(i) + "= {"); - indent++; - print(value, printed); - indent--; - indent(); - out.println("}"); - indent--; - } - } - } - } catch (Exception e) { - } - } - indent(); - out.println("}"); - } catch (Exception e) { - indent(); - out.println(e); - } - } - } - - public static interface ValueAccessor { - int size(); - - String getName(int i); - - Object getValue(int i) throws Exception; - } - - /** - * Java field reflection based value accessor - */ - private static class FieldAccessor implements ValueAccessor { - - private Object object; - private List<Field> fields; - - public FieldAccessor(Object object) { - this.fields = getAllFields(object.getClass()); - this.object = object; - } - - public String getName(int i) { - return fields.get(i).getName(); - } - - public Object getValue(int i) throws Exception { - return fields.get(i).get(object); - } - - public int size() { - return fields.size(); - } - - } - - /** - * JavaBean-based value accessor - */ - private static class PropertyAccessor implements ValueAccessor { - - private Object object; - private PropertyDescriptor[] fields; - - public PropertyAccessor(Object object) throws IntrospectionException { - BeanInfo beanInfo = Introspector.getBeanInfo(object.getClass()); - this.fields = beanInfo.getPropertyDescriptors(); - this.object = object; - } - - public String getName(int i) { - return fields[i].getName(); - } - - public Object getValue(int i) throws Exception { - Method getter = fields[i].getReadMethod(); - if (getter != null) { - return getter.invoke(object); - } - return null; - } - - public int size() { - return fields.length; - } - - } - - /** - * Returns a collection of fields declared by a class - * or one of its supertypes - */ - private static List<Field> getAllFields(Class<?> clazz) { - return getAllFields(clazz, new ArrayList<Field>()); - } - - /** - * Recursively evaluates the type hierarchy to return all fields - */ - private static List<Field> getAllFields(Class<?> clazz, List<Field> fields) { - if (clazz == null || clazz.isArray() || Object.class.equals(clazz)) { - return fields; - } - fields = getAllFields(clazz.getSuperclass(), fields); - Field[] declaredFields = clazz.getDeclaredFields(); - for (final Field field : declaredFields) { - AccessController.doPrivileged(new PrivilegedAction<Object>() { - public Object run() { - field.setAccessible(true); // ignore Java accessibility - return null; - } - }); - fields.add(field); - } - return fields; - } - -} |