org.apache.jackrabbit.webdav.client.methods.HttpOptions 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.jackrabbit.webdav.client.methods;
import java.net.URI;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.jackrabbit.webdav.DavConstants;
import org.apache.jackrabbit.webdav.header.FieldValueParser;
import org.apache.jackrabbit.webdav.search.SearchConstants;
/**
* Represents an HTTP OPTIONS request.
*
* @see RFC 7231, Section 4.3.7
* @since 2.13.6
*/
public class HttpOptions extends org.apache.http.client.methods.HttpOptions {
public HttpOptions(URI uri) {
super(uri);
}
public HttpOptions(String uri) {
super(URI.create(uri));
}
/**
* Compute the set of compliance classes returned in the "dav" header field
*/
public Set getDavComplianceClasses(HttpResponse response) {
Header[] headers = response.getHeaders(DavConstants.HEADER_DAV);
return parseTokenOrCodedUrlheaderField(headers, false);
}
/**
* Compute set of search grammars returned in the "dasl" header field
*/
public Set getSearchGrammars(HttpResponse response) {
Header[] headers = response.getHeaders(SearchConstants.HEADER_DASL);
return parseTokenOrCodedUrlheaderField(headers, true);
}
private Set parseTokenOrCodedUrlheaderField(Header[] headers, boolean removeBrackets) {
if (headers == null) {
return Collections.emptySet();
}
else {
Set result = new HashSet();
for (Header h : headers) {
for (String s : FieldValueParser.tokenizeList(h.getValue())) {
if (removeBrackets && s.startsWith("<") && s.endsWith(">")) {
s = s.substring(1, s.length() - 1);
}
result.add(s.trim());
}
}
return Collections.unmodifiableSet(result);
}
}
}