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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * 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.
 *
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 */

/*
 * @test
 * @bug 4720957 5020118 8026567 8038976
 * @summary Test to make sure that -link and -linkoffline link to
 * right files, and URLs with and without trailing slash are accepted.
 * @author jamieh
 * @library ../lib
 * @modules jdk.javadoc
 * @build JavadocTester
 * @run main TestLinkOption
 */

import java.io.File;

public class TestLinkOption extends JavadocTester {
    /**
     * The entry point of the test.
     * @param args the array of command line arguments.
     */
    public static void main(String... args) throws Exception {
        TestLinkOption tester = new TestLinkOption();
        tester.runTests();
    }

    // The following test runs javadoc multiple times; it is important that the
    // first one is run first, since the subsequent runs refer to the output
    // it generates. Therefore we run everything serially in a single @Test
    // method and not in independent @Test methods.
    @Test
    void test() {
        String mylib = "mylib";
        String[] javacArgs = {
            "-d", mylib, testSrc + "/extra/StringBuilder.java"
        };
        com.sun.tools.javac.Main.compile(javacArgs);

        // Generate the documentation using -linkoffline and a URL as the first parameter.
        String out1 = "out1";
        String url = "http://acme.com/jdk/";
        javadoc("-d", out1,
                "-classpath", mylib,
                "-sourcepath", testSrc,
                "-linkoffline", url, testSrc + "/jdk",
                "-package",
                "pkg", "mylib.lang");
        checkExit(Exit.OK);

        checkOutput("pkg/C.html", true,
                "<a href=\"" + url + "java/lang/String.html?is-external=true\" "
                + "title=\"class or interface in java.lang\"><code>Link to String Class</code></a>",
                //Make sure the parameters are indented properly when the -link option is used.
                "(int&nbsp;p1,\n"
                + "      int&nbsp;p2,\n"
                + "      int&nbsp;p3)",
                "(int&nbsp;p1,\n"
                + "      int&nbsp;p2,\n"
                + "      <a href=\"" + url + "java/lang/Object.html?is-external=true\" title=\"class or interface in java.lang\">"
                + "Object</a>&nbsp;p3)");

        checkOutput("mylib/lang/StringBuilderChild.html", true,
                "<pre>public abstract class <span class=\"typeNameLabel\">StringBuilderChild</span>\n"
                + "extends <a href=\"" + url + "java/lang/Object.html?is-external=true\" "
                + "title=\"class or interface in java.lang\">Object</a></pre>"
        );

        // Generate the documentation using -linkoffline and a relative path as the first parameter.
        // We will try linking to the docs generated in test 1 with a relative path.
        String out2 = "out2";
        javadoc("-d", out2,
                "-sourcepath", testSrc,
                "-linkoffline", "../" + out1, out1,
                "-package",
                "pkg2");
        checkExit(Exit.OK);
        checkOutput("pkg2/C2.html", true,
            "This is a link to <a href=\"../../" + out1 + "/pkg/C.html?is-external=true\" " +
            "title=\"class or interface in pkg\"><code>Class C</code></a>."
        );

        String out3 = "out3";
        javadoc(createArguments(out3, out1, true));  // with trailing slash
        checkExit(Exit.OK);

        String out4 = "out4";
        javadoc(createArguments(out4, out1, false)); // without trailing slash
        checkExit(Exit.OK);
        // Note: the following test is very weak, and will fail if ever the text
        // of the message is changed. We should have a separate test to verify
        // this is the text that is given when there is a problem with a URL
        checkOutput(Output.WARNING, false,
                "warning - Error fetching URL");
    }

    /*
     * Create the documentation using the -link option, vary the behavior with
     * both trailing and no trailing slash. We are only interested in ensuring
     * that the command executes with no errors or related warnings.
     */
    static String[] createArguments(String outDir, String packageDir, boolean withTrailingSlash) {
        String packagePath = new File(packageDir).getAbsolutePath();
        if (withTrailingSlash) {
            // add the trailing slash, if it is not present!
            if (!packagePath.endsWith(FS)) {
                packagePath = packagePath + FS;
            }
        } else {
            // remove the trailing slash, if it is present!
            if (packagePath.endsWith(FS)) {
                packagePath = packagePath.substring(0, packagePath.length() - 1);
            }
        }
        String args[] = {
            "-d", outDir,
            "-sourcepath", testSrc,
            "-link", "file:///" + packagePath,
            "-package",
            "pkg2"
        };
        System.out.println("packagePath: " + packagePath);
        return args;
    }
}