ptidej.solver.OccurrenceComponent.java Source code

Introduction

Here is the source code for ptidej.solver.OccurrenceComponent.java

Source

/*******************************************************************************
 * Copyright (c) 2001-2014 Yann-Gal Guhneuc and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Yann-Gal Guhneuc and others, see in file; API and its implementation
 ******************************************************************************/
package ptidej.solver;

import java.util.Arrays;
import org.apache.commons.lang.ArrayUtils;

/**
 * The SolutionComponent represents a part of a solution
 * to the problem of finding pattern in source code.
 * A SolutionComponent is of the form:
 *     <name> = <value>
 * where <name> is the name of the part and <value> the
 * name of the pattern constituent fullfilling the <name>.
 * 
 * @see ptidej.solver.Solution
 */
public final class OccurrenceComponent {
    public static String computeSimpleName(final String aName) {
        int indexOfMinusSign = aName.indexOf('-');
        if (indexOfMinusSign > 0) {
            return aName.substring(0, indexOfMinusSign);
        } else {
            return aName;
        }
    }

    public static char[] computeSimpleName(final char[] aName) {
        int indexOfMinusSign = ArrayUtils.indexOf(aName, '-');
        if (indexOfMinusSign > 0) {
            return ArrayUtils.subarray(aName, 0, indexOfMinusSign);
        } else {
            return aName;
        }
    }

    private final String displayName;
    private final String displayValue;
    private final char[] name;
    private final char[] value;

    /**
     * Creates a part of a solution. A part has a name, a value,
     * and a reference on the Entity related by this part.
     */
    public OccurrenceComponent(final char[] name, final char[] value) {
        this.displayName = String.valueOf(name);
        this.displayValue = String.valueOf(value);
        this.name = name;
        this.value = value;
    }

    public boolean equals(final Object object) {
        if (object instanceof OccurrenceComponent) {
            final OccurrenceComponent other = (OccurrenceComponent) object;

            return Arrays.equals(this.getName(), other.getName())
                    && Arrays.equals(this.getValue(), other.getValue());
        }
        return false;
    }

    public String getDisplayName() {
        return this.displayName;
    }

    public String getDisplayValue() {
        return this.displayValue;
    }

    public char[] getName() {
        return this.name;
    }

    public char[] getValue() {
        return this.value;
    }

    public String toString() {
        final StringBuffer buffer = new StringBuffer();
        buffer.append(this.name);
        buffer.append(" = ");
        buffer.append(this.value);
        return buffer.toString();
    }
}