utils.java.svn-base

来自「cqME :java framework for TCK test.」· SVN-BASE 代码 · 共 91 行

/*
 * $Id$
 *
 * Copyright 1996-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 *
 */

package com.sun.tck.unitTests.lib;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;

import com.sun.javatest.TestDescription;

/**
 * Place for common utility methods.
 *
 */
public final class Utils {
    private Utils() {
        // private constructor
    }

    /**
     * Creates temporary file with specified content lines.
     *
     * @param lines
     *                file content
     * @return a file with specified content
     * @throws IOException
     *                 in case of any IO errors.
     */
    public static File createFile(String[] lines) throws IOException {
        if (lines == null) {
            throw new NullPointerException("null array of lines");
        }
        File file = File.createTempFile("TestData", ".tst");
        file.deleteOnExit();

        PrintWriter writer = null;
        try {
            writer = new PrintWriter(new FileWriter(file));
            for (int i = 0; i < lines.length; i++) {
                writer.println(lines[i]);
            }
        } finally {
            if (writer != null) {
                writer.close();
            }
        }
        return file;
    }

    /**
     * Creates the TestDescription with appropriate entry.
     *
     * @param key The key.
     * @param value The value.
     * @return The test description.
     */
    public static TestDescription createTDWithEntry(String key, String value) {
        HashMap params = new HashMap();
        params.put(key, value);
        return new TestDescription(new File("root"), new File("file"), params);
    }

}