| /** |
| * 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.cxf.service.model; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.xml.namespace.QName; |
| |
| public abstract class AbstractPropertiesHolder implements Extensible { |
| private AbstractPropertiesHolder delegate; |
| private boolean delegateProperties; |
| |
| private AtomicReference<Map<String, Object>> propertyMap = new AtomicReference<>(); |
| private AtomicReference<Object[]> extensors = new AtomicReference<>(); |
| private Map<QName, Object> extensionAttributes; |
| private String documentation; |
| |
| |
| public final void setDelegate(AbstractPropertiesHolder p, boolean props) { |
| delegate = p; |
| delegateProperties = props; |
| if (delegate == null) { |
| return; |
| } |
| if (documentation != null) { |
| delegate.setDocumentation(documentation); |
| documentation = null; |
| } |
| if (extensionAttributes != null) { |
| delegate.setExtensionAttributes(extensionAttributes); |
| extensionAttributes = null; |
| } |
| if (extensors.get() != null) { |
| for (Object el : extensors.get()) { |
| delegate.addExtensor(el); |
| } |
| extensors.set(null); |
| } |
| if (delegateProperties && propertyMap.get() != null) { |
| for (Map.Entry<String, Object> p2 : propertyMap.get().entrySet()) { |
| delegate.setProperty(p2.getKey(), p2.getValue()); |
| } |
| propertyMap.set(null); |
| } |
| } |
| |
| public String getDocumentation() { |
| if (delegate != null) { |
| return delegate.getDocumentation(); |
| } |
| return documentation; |
| } |
| public void setDocumentation(String s) { |
| if (delegate != null) { |
| delegate.setDocumentation(s); |
| } else { |
| documentation = s; |
| } |
| } |
| public Map<String, Object> getProperties() { |
| if (delegate != null && delegateProperties) { |
| return delegate.getProperties(); |
| } |
| return propertyMap.get(); |
| } |
| public Object getProperty(String name) { |
| if (delegate != null && delegateProperties) { |
| return delegate.getProperty(name); |
| } |
| if (null == propertyMap.get()) { |
| return null; |
| } |
| return propertyMap.get().get(name); |
| } |
| public Object removeProperty(String name) { |
| if (delegate != null && delegateProperties) { |
| delegate.removeProperty(name); |
| } |
| if (null == propertyMap.get()) { |
| return null; |
| } |
| return propertyMap.get().remove(name); |
| } |
| |
| public <T> T getProperty(String name, Class<T> cls) { |
| return cls.cast(getProperty(name)); |
| } |
| public boolean hasProperty(String name) { |
| if (delegate != null && delegateProperties) { |
| return delegate.hasProperty(name); |
| } |
| Map<String, Object> map = propertyMap.get(); |
| if (map != null) { |
| return map.containsKey(name); |
| } |
| return false; |
| } |
| |
| public void setProperty(String name, Object v) { |
| if (delegate != null && delegateProperties) { |
| delegate.setProperty(name, v); |
| return; |
| } |
| if (null == propertyMap.get()) { |
| propertyMap.compareAndSet(null, new ConcurrentHashMap<>(4, 0.75f, 2)); |
| } |
| if (v == null) { |
| propertyMap.get().remove(name); |
| } else { |
| propertyMap.get().put(name, v); |
| } |
| } |
| |
| public boolean containsExtensor(Object el) { |
| if (delegate != null) { |
| return delegate.containsExtensor(el); |
| } |
| |
| Object[] exts = extensors.get(); |
| if (exts != null) { |
| for (Object o : exts) { |
| if (o == el) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| public void addExtensor(Object el) { |
| if (delegate != null) { |
| delegate.addExtensor(el); |
| return; |
| } |
| Object[] exts = extensors.get(); |
| Object[] exts2; |
| if (exts == null) { |
| exts2 = new Object[1]; |
| } else { |
| exts2 = new Object[exts.length + 1]; |
| System.arraycopy(exts, 0, exts2, 0, exts.length); |
| } |
| exts2[exts2.length - 1] = el; |
| if (!extensors.compareAndSet(exts, exts2)) { |
| //keep trying |
| addExtensor(el); |
| } |
| } |
| |
| public <T> T getExtensor(Class<T> cls) { |
| if (delegate != null) { |
| return delegate.getExtensor(cls); |
| } |
| Object[] exts = extensors.get(); |
| if (exts == null) { |
| return null; |
| } |
| for (int x = 0; x < exts.length; x++) { |
| if (cls.isInstance(exts[x])) { |
| return cls.cast(exts[x]); |
| } |
| } |
| return null; |
| } |
| public <T> List<T> getExtensors(Class<T> cls) { |
| if (delegate != null) { |
| return delegate.getExtensors(cls); |
| } |
| |
| Object[] exts = extensors.get(); |
| if (exts == null) { |
| return null; |
| } |
| List<T> list = new ArrayList<>(exts.length); |
| for (int x = 0; x < exts.length; x++) { |
| if (cls.isInstance(exts[x])) { |
| list.add(cls.cast(exts[x])); |
| } |
| } |
| return list; |
| } |
| |
| public AtomicReference<Object[]> getExtensors() { |
| if (delegate != null) { |
| return delegate.getExtensors(); |
| } |
| return extensors; |
| } |
| |
| |
| public Object getExtensionAttribute(QName name) { |
| if (delegate != null) { |
| return delegate.getExtensionAttribute(name); |
| } |
| return null == extensionAttributes ? null : extensionAttributes.get(name); |
| } |
| |
| public Map<QName, Object> getExtensionAttributes() { |
| if (delegate != null) { |
| return delegate.getExtensionAttributes(); |
| } |
| return extensionAttributes; |
| } |
| |
| public void addExtensionAttribute(QName name, Object attr) { |
| if (delegate != null) { |
| delegate.addExtensionAttribute(name, attr); |
| return; |
| } |
| if (null == extensionAttributes) { |
| extensionAttributes = new HashMap<>(); |
| } |
| extensionAttributes.put(name, attr); |
| } |
| |
| public void setExtensionAttributes(Map<QName, Object> attrs) { |
| if (delegate != null) { |
| delegate.setExtensionAttributes(attrs); |
| return; |
| } |
| extensionAttributes = attrs; |
| } |
| |
| /** |
| * Lookup a configuration value. This may be found in the properties holder supplied |
| * (i.e. an EndpointInfo or ServiceInfo), or it may be a property on the Bus itself. |
| * If no value is found, the defaultValue is returned. |
| * |
| * @param defaultValue the default value |
| * @param type the extensor type |
| * @return the configuration value or the default |
| */ |
| public <T> T getTraversedExtensor(T defaultValue, Class<T> type) { |
| if (delegate != null) { |
| return delegate.getTraversedExtensor(defaultValue, type); |
| } |
| T extensor = getExtensor(type); |
| if (extensor == null) { |
| return defaultValue; |
| } |
| return extensor; |
| } |
| |
| |
| protected static final boolean equals(Object o1, Object o2) { |
| return Objects.equals(o1, o2); |
| } |
| |
| } |