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/*
* Janino - An embedded Java[TM] compiler
*
* Copyright (c) 2001-2010 Arno Unkrig. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.hazelcast.org.codehaus.commons.compiler;
import java.io.Serializable;
import com.hazelcast.org.codehaus.commons.nullanalysis.Nullable;
/**
* Immutable representation of the location of a character in a document, as defined by an (optional) file name, a
* line number and a column number.
*/
public
class Location implements Serializable {
/**
* Representation of an unspecified location.
*/
public static final Location NOWHERE = new Location("", -1, -1);
@Nullable private final String fileName;
private final int lineNumber;
private final int columnNumber;
/**
* @param fileName A human-readable indication where the document related to this {@link Location} can be
* found
*/
public
Location(@Nullable String fileName, int lineNumber, int columnNumber) {
this.fileName = fileName;
this.lineNumber = lineNumber;
this.columnNumber = columnNumber;
}
/**
* @return The "file name" associated with this location, or {@code null}
*/
@Nullable public String getFileName() { return this.fileName; }
/**
* @return The line number associated with this location, or -1
*/
public int getLineNumber() { return this.lineNumber; }
/**
* @return The column number associated with this location, or -1
*/
public int getColumnNumber() { return this.columnNumber; }
/**
* Converts this {@link Location} into an english text, like '{@code File Main.java, Line 23, Column 79}'.
*/
@Override public String
toString() {
StringBuilder sb = new StringBuilder();
if (this.fileName != null) {
sb.append("File '").append(this.fileName).append("', ");
}
sb.append("Line ").append(this.lineNumber).append(", ");
sb.append("Column ").append(this.columnNumber);
return sb.toString();
}
}
