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/*
 * Copyright (c) 2009-2012 Panxiaobo
 * 
 * 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.googlecode.d2j;

import java.util.Arrays;

/**
 * represent a method_id_item in dex file format
 * 
 * @author Panxiaobo
 * @version $Rev$
 */
public class Method {
    /**
     * name of the method.
     */
    private String name;
    /**
     * owner class of the method, in TypeDescriptor format.
     */
    private String owner;
    /**
     * parameter types of the method, in TypeDescriptor format.
     */
    private Proto proto;

    public Proto getProto() {
        return proto;
    }

    public Method(String owner, String name, String[] parameterTypes, String returnType) {
        this.owner = owner;
        this.name = name;
        this.proto = new Proto(parameterTypes, returnType);
    }
    public Method(String owner, String name, Proto proto) {
        this.owner = owner;
        this.name = name;
        this.proto = proto;
    }
    public String getDesc() {
        return proto.getDesc();
    }

    /**
     * @return the name
     */
    public String getName() {
        return name;
    }

    /**
     * @return the owner
     */
    public String getOwner() {
        return owner;
    }

    /**
     * @return the parameterTypes
     */
    public String[] getParameterTypes() {
        return proto.getParameterTypes();
    }

    public String getReturnType() {
        return proto.getReturnType();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Method method = (Method) o;

        if (name != null ? !name.equals(method.name) : method.name != null) return false;
        if (owner != null ? !owner.equals(method.owner) : method.owner != null) return false;
        return proto.equals(method.proto);
    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + (owner != null ? owner.hashCode() : 0);
        result = 31 * result + proto.hashCode();
        return result;
    }

    /*
         * (non-Javadoc)
         *
         * @see java.lang.Object#toString()
         */
    @Override
    public String toString() {
        return this.getOwner() + "." + this.getName() + this.getDesc();
    }
}