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Java example source code file (DeprecatedAnnoCombo.java)

This example Java source code file (DeprecatedAnnoCombo.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

deprecatedannocombo, deprecatedonbase, deprecatedonboth, deprecatedoncontainer, diagnosticcollector, did, exception, helper, kind, list, string, stringbuilder, testcase, testcases, util

The DeprecatedAnnoCombo.java Java example source code

/*
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code 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 code 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 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * @test
 * @bug      8002157
 * @author   sogoel
 * @summary  Combo test to check for usage of Deprecated
 * @build    Helper
 * @compile  DeprecatedAnnoCombo.java
 * @run main DeprecatedAnnoCombo
 */

import java.util.List;
import javax.tools.Diagnostic;
import javax.tools.DiagnosticCollector;
import javax.tools.JavaFileObject;

/*
 * Generate test src for use of @Deprecated on base anno
 * or container anno or on both. In all cases, test src should compile and a
 * warning should be generated. Repeating annotations used only on class for
 * these generated test src.
 */

public class DeprecatedAnnoCombo extends Helper {
    static int errors = 0;

    enum TestCases {
        DeprecatedonBoth,
        DeprecatedonContainer,
        DeprecatedonBase;
    }

    public static void main(String[] args) throws Exception {
        new DeprecatedAnnoCombo().runTest();
    }

    public void runTest() throws Exception {
        boolean ok = false;
        int testCtr = 0;

        for (TestCases clName : TestCases.values()) {
            testCtr++;

            // Create test source content
            String contents = getContent(clName.toString());

            // Compile the generated source file
            DiagnosticCollector<JavaFileObject> diagnostics =
                    new DiagnosticCollector<JavaFileObject>();
            ok = compileCode(clName.toString(), contents, diagnostics);

            String errorKey1 = "compiler.note.deprecated.filename";
            String errorKey2 = "compiler.note.deprecated.recompile";
            List<Diagnostic diags = diagnostics.getDiagnostics();

            //Check for deprecated warnings
            if (ok) {
                if (diags.size() == 0) {
                    error("Did not get any warnings for @Deprecated usage");
                } else {
                    for (Diagnostic<?> d : diags) {
                        if (d.getKind() == Diagnostic.Kind.NOTE) {
                            if (d.getCode().contains(errorKey1)
                                || d.getCode().contains(errorKey2)) {
                                System.out.println("TestCase =" + clName + " passed as expected");
                            } else {
                                error("TestCase =" + clName + " did not give correct warnings" +
                                    "Expected warning keys: " +
                                    "errorKey1 = " + errorKey1 +
                                    "errorKey2 = " + errorKey2 +
                                    "actualErrorKey = " + d.getCode(), contents);
                            }
                        } else {
                            error("Diagnostic Kind is incorrect, expected = " +
                                 Diagnostic.Kind.NOTE + "actual = " + d.getKind(), contents);
                        }
                    }
                }
            } else {
                error("TestCase =" + clName + " did not compile as expected", contents);
            }
        }

        System.out.println("Total number of tests run: " + testCtr);
        System.out.println("Total number of errors: " + errors);
        if (errors > 0)
            throw new Exception(errors + " errors found");
    }

    private String getContent(String className) {
        StringBuilder annoData = new StringBuilder();

        switch(className) {
        case "DeprecatedonBoth":
            annoData.append(Helper.ContentVars.DEPRECATED.getVal())
                    .append(Helper.ContentVars.CONTAINER.getVal())
                    .append(Helper.ContentVars.DEPRECATED.getVal())
                    .append(Helper.ContentVars.REPEATABLE.getVal())
                    .append(Helper.ContentVars.BASE.getVal());
            break;
        case "DeprecatedonBase":
            annoData.append(Helper.ContentVars.CONTAINER.getVal())
                    .append(Helper.ContentVars.DEPRECATED.getVal())
                    .append(Helper.ContentVars.REPEATABLE.getVal())
                    .append(Helper.ContentVars.BASE.getVal());
            break;
        case "DeprecatedonContainer":
            annoData.append(Helper.ContentVars.DEPRECATED.getVal())
                    .append(Helper.ContentVars.CONTAINER.getVal())
                    .append(Helper.ContentVars.REPEATABLE.getVal())
                    .append(Helper.ContentVars.BASE.getVal());
            break;
        }

        String contents = Helper.ContentVars.IMPORTCONTAINERSTMTS.getVal()
                          + Helper.ContentVars.IMPORTDEPRECATED.getVal()
                          + annoData
                          + Helper.ContentVars.REPEATABLEANNO.getVal()
                          + "\nclass "+ className + "{}";
        return contents;
    }

    private void error(String msg, String... contents) {
        System.out.println("error: " + msg);
        errors++;
        if (contents.length == 1) {
            System.out.println("Contents = " + contents[0]);
        }
    }
}

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