org.apache.http.message.BasicHeader 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.http.message;
import java.io.Serializable;
import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.ParseException;
import org.apache.http.annotation.Contract;
import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.util.Args;
/**
* Implements a basic {@link Header}.
*
* @since 4.0
*/
@Contract(threading = ThreadingBehavior.IMMUTABLE)
public class BasicHeader implements Header, Cloneable, Serializable {
private static final HeaderElement[] EMPTY_HEADER_ELEMENTS = new HeaderElement[] {};
private static final long serialVersionUID = -5427236326487562174L;
private final String name;
private final String value;
/**
* Constructs with name and value.
*
* @param name the header name
* @param value the header value
*/
public BasicHeader(final String name, final String value) {
this.name = Args.notNull(name, "Name");
this.value = value;
}
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
@Override
public HeaderElement[] getElements() throws ParseException {
if (this.getValue() != null) {
// result intentionally not cached, it's probably not used again
return BasicHeaderValueParser.parseElements(this.getValue(), null);
}
return EMPTY_HEADER_ELEMENTS;
}
@Override
public String getName() {
return name;
}
@Override
public String getValue() {
return value;
}
@Override
public String toString() {
// no need for non-default formatting in toString()
return BasicLineFormatter.INSTANCE.formatHeader(null, this).toString();
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy