Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2008 Red Hat, Inc.
 * 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:
 *    Elliott Baron <ebaron@redhat.com> - initial API and implementation
 *******************************************************************************/

public class Main {
    private static final String EMPTY_STRING = "";

    /**
     * Parses string ending with format ([FILE]:[LINE MODULE])
     * Assumes syntax is: "\(.*:[0-9]+(\s.+)?\)$"
     * @param line - String with the above criteria
     * @return a tuple of [String filename, Integer line]
     */
    public static Object[] parseFilename(String line) {
        String filename = null;
        int lineNo = 0;

        int ix = line.lastIndexOf('(');
        if (ix >= 0) {
            String part = line.substring(ix, line.length());
            part = part.substring(1, part.length() - 1); // remove leading and trailing parentheses
            if ((ix = part.lastIndexOf(':')) >= 0) {
                String strLineNo = part.substring(ix + 1);
                if (isNumber(strLineNo)) {
                    lineNo = Integer.parseInt(strLineNo);
                    filename = part.substring(0, ix);
                } else {
                    // handle format: (FILE:LINE MODULE)
                    int ix1 = strLineNo.indexOf(' ');
                    if (ix1 > 0) {
                        strLineNo = strLineNo.substring(0, ix1);
                        if (isNumber(strLineNo)) {
                            lineNo = Integer.parseInt(strLineNo);
                            filename = part.substring(0, ix);
                        }
                    }
                }
            } else {
                // check for "in " token (lib, with symbol)
                part = part.replaceFirst("^in ", EMPTY_STRING); //$NON-NLS-1$
                // check for "within " token (lib, without symbol)
                part = part.replaceFirst("^within ", EMPTY_STRING); //$NON-NLS-1$
                filename = part; // library, no line number
            }
        }

        return new Object[] { filename, lineNo };
    }

    /**
     * Determines if argument is a number
     * @param string - argument to test
     * @return - true if argument is a number
     */
    public static boolean isNumber(String string) {
        boolean result = true;
        char[] chars = string.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            if (!Character.isDigit(chars[i])) {
                result = false;
            }
        }
        return result;
    }
}