io.undertow.server.handlers.ConfiguredPushHandler Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including
all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and
JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.server.handlers;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.util.HeaderMap;
import io.undertow.util.HttpString;
import io.undertow.util.Methods;
import io.undertow.util.PathMatcher;
/**
* Handler that pushes resources based on a provided URL
*
* @author Stuart Douglas
*/
public class ConfiguredPushHandler implements HttpHandler {
private final PathMatcher pathMatcher = new PathMatcher<>();
private final HttpHandler next;
private final HeaderMap requestHeaders = new HeaderMap();
public ConfiguredPushHandler(HttpHandler next) {
this.next = next;
}
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
if(exchange.getConnection().isPushSupported()) {
PathMatcher.PathMatch result = pathMatcher.match(exchange.getRelativePath());
if(result != null) {
String[] value = result.getValue();
for(int i = 0; i < value.length; ++i) {
exchange.getConnection().pushResource(value[i], Methods.GET, requestHeaders);
}
}
}
next.handleRequest(exchange);
}
public ConfiguredPushHandler addRequestHeader(HttpString name, String value) {
requestHeaders.put(name, value);
return this;
}
public ConfiguredPushHandler addRoute(String url, String ... resourcesToPush) {
if(url.endsWith("/*")) {
String partial = url.substring(0, url.length() - 1);
pathMatcher.addPrefixPath(partial, resourcesToPush);
} else {
pathMatcher.addExactPath(url, resourcesToPush);
}
return this;
}
}