jdk8-mips64-public/langtools: test/tools/javac/processing/6350124/HelloWorldAP.java@6211df69f7e0

     1 /*

     2  * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 import java.io.*;

    25 import javax.annotation.processing.*;

    26 import javax.lang.model.element.*;

    27 import javax.lang.model.type.*;

    28 import javax.lang.model.util.*;

    29 import static javax.tools.Diagnostic.Kind.*;

    31 import java.util.Set;

    33 @SupportedAnnotationTypes({"*"})

    34 public class HelloWorldAP extends AbstractProcessor {

    35     Messager msgr = null;

    36     Filer filer = null;

    37     boolean DONE=false;

    39     @Override

    40     public void init(ProcessingEnvironment penv) {

    41         processingEnv = penv;

    42         msgr=penv.getMessager();

    43         filer=penv.getFiler();

    44     }

    46     public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv ) {

    47         boolean ret = true;

    48         if(!renv.processingOver() && !DONE) {

    49             msgr.printMessage(NOTE, "running process to create HelloWorld.");

    50             try {

    51                 Writer pw = filer.createSourceFile("HelloWorld").openWriter();

    52                 pw.write("public class HelloWorld {\n");

    53                 pw.write("  public static void main (String argv[]) {\n");

    54                 pw.write("    System.out.println(\"Hello apt world.\");\n");

    55                 pw.write("  }\n");

    56                 pw.write("}\n");

    57                 pw.flush();

    58                 pw.close();

    60                 OutputStream os = filer.createClassFile("HelloWorldAP").openOutputStream();

    61                 // the easiest way to create a class file is to copy another one

    62                 InputStream is = getClass().getResourceAsStream("HelloWorldAP.class");

    63                 copy(is, os);

    64                 is.close();

    65                 os.flush();

    66                 os.close();

    67                 DONE=true;

    68             }

    69             catch (IOException ioe) {

    70                 msgr.printMessage(ERROR, ioe.getMessage());

    71                 ret = false;

    72             }

    73             catch (Exception e) {

    74                 msgr.printMessage(ERROR, e.getMessage());

    75                 ret = false;

    76             }

    77         }

    78         return ret;

    79     }

    81     void copy(InputStream is, OutputStream os) throws IOException {

    82         byte[] buf = new byte[8192];

    83         int n;

    84         while ((n = is.read(buf, 0, buf.length)) > 0)

    85             os.write(buf, 0, n);

    86     }

    87 }

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