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/*
* Copyright (C) 2011 The Guava Authors
*
* 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.google.common.net;
import com.google.common.base.Ascii;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import junit.framework.TestCase;
import java.lang.reflect.Field;
import java.util.List;
/**
* Tests for the HttpHeaders class.
*
* @author Kurt Alfred Kluever
*/
public class HttpHeadersTest extends TestCase {
public void testConstantNameMatchesString() throws Exception {
for (Field field : HttpHeaders.class.getDeclaredFields()) {
/*
* Coverage mode generates synthetic fields. If we ever add private
* fields, they will cause similar problems, and we may want to switch
* this check to isAccessible().
*/
if (!field.isSynthetic()) {
assertEquals(upperToHttpHeaderName(field.getName()), field.get(null));
}
}
}
private static final ImmutableSet<String> UPPERCASE_ACRONYMS = ImmutableSet.of(
"ID", "DNT", "GFE", "GSE", "IP", "MD5", "P3P", "TE", "UID", "URL",
"WWW", "XSS");
private static final Splitter SPLITTER = Splitter.on('_');
private static final Joiner JOINER = Joiner.on('-');
private static String upperToHttpHeaderName(String constantName) {
// Special case some of the weird HTTP Header names...
if (constantName.equals("ETAG")) {
return "ETag";
}
List<String> parts = Lists.newArrayList();
for (String part : SPLITTER.split(constantName)) {
if (!UPPERCASE_ACRONYMS.contains(part)) {
part = part.charAt(0) + Ascii.toLowerCase(part.substring(1));
}
parts.add(part);
}
return JOINER.join(parts);
}
}
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