com.jfinal.server.undertow.CompositeResourceManager Maven / Gradle / Ivy
/**
* Copyright (c) 2011-2019, James Zhan 詹波 ([email protected]).
*
* 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.
*/
package com.jfinal.server.undertow;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import io.undertow.server.handlers.resource.Resource;
import io.undertow.server.handlers.resource.ResourceChangeListener;
import io.undertow.server.handlers.resource.ResourceManager;
/**
* CompositeResourceManager
*/
public class CompositeResourceManager implements ResourceManager {
protected ResourceManager[] resourceManagers = new ResourceManager[0];
public boolean isEmpty() {
return resourceManagers.length == 0;
}
public void add(ResourceManager resourceManager) {
List list = new ArrayList();
for (ResourceManager rm : resourceManagers) {
list.add(rm);
}
list.add(resourceManager);
this.resourceManagers = list.toArray(new ResourceManager[list.size()]);
}
public Resource getResource(String path) throws IOException {
for (ResourceManager rm : resourceManagers) {
Resource ret = rm.getResource(path);
if (ret != null) {
return ret;
}
}
return null;
}
public boolean isResourceChangeListenerSupported() {
for (ResourceManager rm : resourceManagers) {
if (rm.isResourceChangeListenerSupported()) {
return true;
}
}
return false;
}
public void registerResourceChangeListener(ResourceChangeListener listener) {
for (ResourceManager rm : resourceManagers) {
if (rm.isResourceChangeListenerSupported()) {
rm.registerResourceChangeListener(listener);
}
}
}
public void removeResourceChangeListener(ResourceChangeListener resourceChangeListener) {
for (ResourceManager rm : resourceManagers) {
if (rm.isResourceChangeListenerSupported()) {
rm.removeResourceChangeListener(resourceChangeListener);
}
}
}
public void close() throws IOException {
for (ResourceManager rm : resourceManagers) {
rm.close();
}
}
}