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/*
 * #%L
 * Apache Geronimo JAX-RS Spec 2.0
 * %%
 * Copyright (C) 2003 - 2014 The Apache Software Foundation
 * %%
 * 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.
 * #L%
 */

package javax.ws.rs.core;

import javax.ws.rs.ext.RuntimeDelegate;
import javax.ws.rs.ext.RuntimeDelegate.HeaderDelegate;

public class Cookie {

    public static final int DEFAULT_VERSION = 1;

    private static final HeaderDelegate HEADER_DELEGATE = RuntimeDelegate.getInstance()
            .createHeaderDelegate(Cookie.class);

    private final String name;

    private final String value;

    private final int version;

    private final String path;

    private final String domain;

    public Cookie(final String name, final String value, final String path, final String domain, final int version)
            throws IllegalArgumentException {
        if (name == null) {
            throw new IllegalArgumentException("name==null");
        }
        this.name = name;
        this.value = value;
        this.version = version;
        this.domain = domain;
        this.path = path;
    }

    public Cookie(final String name, final String value, final String path, final String domain) throws IllegalArgumentException {
        this(name, value, path, domain, DEFAULT_VERSION);
    }

    public Cookie(final String name, final String value) throws IllegalArgumentException {
        this(name, value, null, null);
    }

    public static Cookie valueOf(final String value) {
        return HEADER_DELEGATE.fromString(value);
    }

    public String getName() {
        return name;
    }

    public String getValue() {
        return value;
    }

    public int getVersion() {
        return version;
    }

    public String getDomain() {
        return domain;
    }

    public String getPath() {
        return path;
    }

    @Override
    public String toString() {
        return HEADER_DELEGATE.toString(this);
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 97 * hash + (this.name != null ? this.name.hashCode() : 0);
        hash = 97 * hash + (this.value != null ? this.value.hashCode() : 0);
        hash = 97 * hash + this.version;
        hash = 97 * hash + (this.path != null ? this.path.hashCode() : 0);
        hash = 97 * hash + (this.domain != null ? this.domain.hashCode() : 0);
        return hash;
    }

    @SuppressWarnings({ "StringEquality", "RedundantIfStatement" })
    @Override
    public boolean equals(final Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Cookie other = (Cookie) obj;
        if (this.name != other.name && (this.name == null || !this.name.equals(other.name))) {
            return false;
        }
        if (this.value != other.value && (this.value == null || !this.value.equals(other.value))) {
            return false;
        }
        if (this.version != other.version) {
            return false;
        }
        if (this.path != other.path && (this.path == null || !this.path.equals(other.path))) {
            return false;
        }
        if (this.domain != other.domain && (this.domain == null || !this.domain.equals(other.domain))) {
            return false;
        }
        return true;
    }
}