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/*******************************************************************************
 * Copyright (c) 2015 Jeff Martin.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public
 * License v3.0 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 * <p>
 * Contributors:
 * Jeff Martin - initial API and implementation
 ******************************************************************************/
package cuchaz.enigma.mapping;

import java.io.Serializable;

import cuchaz.enigma.Util;

public class ConstructorEntry implements BehaviorEntry, Serializable {

    private static final long serialVersionUID = -868346075317366758L;

    private ClassEntry m_classEntry;
    private Signature m_signature;

    public ConstructorEntry(ClassEntry classEntry) {
        this(classEntry, null);
    }

    public ConstructorEntry(ClassEntry classEntry, Signature signature) {
        if (classEntry == null) {
            throw new IllegalArgumentException("Class cannot be null!");
        }

        m_classEntry = classEntry;
        m_signature = signature;
    }

    public ConstructorEntry(ConstructorEntry other) {
        m_classEntry = new ClassEntry(other.m_classEntry);
        m_signature = other.m_signature;
    }

    public ConstructorEntry(ConstructorEntry other, String newClassName) {
        m_classEntry = new ClassEntry(newClassName);
        m_signature = other.m_signature;
    }

    @Override
    public ClassEntry getClassEntry() {
        return m_classEntry;
    }

    @Override
    public String getName() {
        if (isStatic()) {
            return "<clinit>";
        }
        return "<init>";
    }

    public boolean isStatic() {
        return m_signature == null;
    }

    @Override
    public Signature getSignature() {
        return m_signature;
    }

    @Override
    public String getClassName() {
        return m_classEntry.getName();
    }

    @Override
    public ConstructorEntry cloneToNewClass(ClassEntry classEntry) {
        return new ConstructorEntry(this, classEntry.getName());
    }

    @Override
    public int hashCode() {
        if (isStatic()) {
            return Util.combineHashesOrdered(m_classEntry);
        } else {
            return Util.combineHashesOrdered(m_classEntry, m_signature);
        }
    }

    @Override
    public boolean equals(Object other) {
        return other instanceof ConstructorEntry && equals((ConstructorEntry) other);
    }

    public boolean equals(ConstructorEntry other) {
        if (isStatic() != other.isStatic()) {
            return false;
        }

        if (isStatic()) {
            return m_classEntry.equals(other.m_classEntry);
        } else {
            return m_classEntry.equals(other.m_classEntry) && m_signature.equals(other.m_signature);
        }
    }

    @Override
    public String toString() {
        if (isStatic()) {
            return m_classEntry.getName() + "." + getName();
        } else {
            return m_classEntry.getName() + "." + getName() + m_signature;
        }
    }
}