org.apache.juneau.rest.ClientVersionMatcher Maven / Gradle / Ivy
// ***************************************************************************************************************************
// * 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.juneau.rest;
import static org.apache.juneau.internal.StringUtils.*;
import org.apache.juneau.internal.*;
import org.apache.juneau.rest.annotation.*;
/**
* Specialized matcher for matching client versions.
*
*
* See {@link RestResource#clientVersionHeader} and {@link RestMethod#clientVersion} for more info.
*/
public class ClientVersionMatcher extends RestMatcher {
private final String clientVersionHeader;
private final VersionRange range;
/**
* Constructor.
*
* @param clientVersionHeader
* The HTTP request header name containing the client version.
* If null or an empty string, uses "X-Client-Version"
* @param javaMethod The version string that the client version must match.
*/
protected ClientVersionMatcher(String clientVersionHeader, java.lang.reflect.Method javaMethod) {
this.clientVersionHeader = isEmpty(clientVersionHeader) ? "X-Client-Version" : clientVersionHeader;
RestMethod m = javaMethod.getAnnotation(RestMethod.class);
range = new VersionRange(m.clientVersion());
}
@Override /* RestMatcher */
public boolean matches(RestRequest req) {
return range.matches(req.getHeader(clientVersionHeader));
}
@Override /* RestMatcher */
public boolean mustMatch() {
return true;
}
}