1 /*
2 * Copyright (c) 1997, 2012, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
45 private final String prolog;
46
47 /**
48 * @param core
49 * This CodeWriter will be used to actually create a storage for files.
50 * PrologCodeWriter simply decorates this underlying CodeWriter by
51 * adding prolog comments.
52 * @param prolog
53 * Strings that will be added as comments.
54 * This string may contain newlines to produce multi-line comments.
55 * '//' will be inserted at the beginning of each line to make it
56 * a valid Java comment, so the caller can just pass strings like
57 * "abc\ndef"
58 */
59 public PrologCodeWriter( CodeWriter core, String prolog ) {
60 super(core);
61 this.prolog = prolog;
62 }
63
64
65 public Writer openSource(JPackage pkg, String fileName) throws IOException {
66 Writer w = super.openSource(pkg,fileName);
67
68 PrintWriter out = new PrintWriter(w);
69
70 // write prolog if this is a java source file
71 if( prolog != null ) {
72 out.println( "//" );
73
74 String s = prolog;
75 int idx;
76 while( (idx=s.indexOf('\n'))!=-1 ) {
77 out.println("// "+ s.substring(0,idx) );
78 s = s.substring(idx+1);
79 }
80 out.println("//");
81 out.println();
82 }
83 out.flush(); // we can't close the stream for that would close the undelying stream.
84
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1 /*
2 * Copyright (c) 1997, 2016, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
45 private final String prolog;
46
47 /**
48 * @param core
49 * This CodeWriter will be used to actually create a storage for files.
50 * PrologCodeWriter simply decorates this underlying CodeWriter by
51 * adding prolog comments.
52 * @param prolog
53 * Strings that will be added as comments.
54 * This string may contain newlines to produce multi-line comments.
55 * '//' will be inserted at the beginning of each line to make it
56 * a valid Java comment, so the caller can just pass strings like
57 * "abc\ndef"
58 */
59 public PrologCodeWriter( CodeWriter core, String prolog ) {
60 super(core);
61 this.prolog = prolog;
62 }
63
64
65 @Override
66 public Writer openSource(JPackage pkg, String fileName) throws IOException {
67 Writer w = super.openSource(pkg,fileName);
68
69 PrintWriter out = new PrintWriter(w);
70
71 // write prolog if this is a java source file
72 if( prolog != null ) {
73 out.println( "//" );
74
75 String s = prolog;
76 int idx;
77 while( (idx=s.indexOf('\n'))!=-1 ) {
78 out.println("// "+ s.substring(0,idx) );
79 s = s.substring(idx+1);
80 }
81 out.println("//");
82 out.println();
83 }
84 out.flush(); // we can't close the stream for that would close the undelying stream.
85
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