TextRange.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.api.editor.text;


/** Oriented range of text. */
public class TextRange {

    /** The start position of the range. */
    private final TextPosition from;

    /** The end position of the range. */
    private final TextPosition to;

    /**
     * TextRange constructor.
     * @param from the start of the range
     * @param to the end of the range
     */
    public TextRange(final TextPosition from, final TextPosition to) {
        this.from = from;
        this.to = to;
    }

    /**
     * Return the start of the range (line-character position).
     * @return the start of the range
     */
    public TextPosition getFrom() {
        return this.from;
    }

    /**
     * Return the end of the range (line-character position).
     * @return the end of the range
     */
    public TextPosition getTo() {
        return this.to;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((from == null) ? 0 : from.hashCode());
        result = prime * result + ((to == null) ? 0 : to.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof TextRange)) {
            return false;
        }
        final TextRange other = (TextRange)obj;
        if (from == null) {
            if (other.from != null) {
                return false;
            }
        } else if (!from.equals(other.from)) {
            return false;
        }
        if (to == null) {
            if (other.to != null) {
                return false;
            }
        } else if (!to.equals(other.to)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "TextRange [from=" + from + ", to=" + to + "]";
    }
}