01: /*
02: * Copyright (c) 2007, intarsys consulting GmbH
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * - Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * - Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * - Neither the name of intarsys nor the names of its contributors may be used
15: * to endorse or promote products derived from this software without specific
16: * prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28: * POSSIBILITY OF SUCH DAMAGE.
29: */
30: package de.intarsys.pdf.pd;
31:
32: import de.intarsys.pdf.cos.COSName;
33: import de.intarsys.pdf.cos.COSObject;
34: import de.intarsys.pdf.cos.COSStream;
35: import de.intarsys.pdf.cos.COSString;
36:
37: /**
38: * The JavaScript action.
39: * <p>
40: * When executed the action executes a user defined JavaScript.
41: *
42: */
43: public class PDActionJavaScript extends PDAction {
44: /**
45: * The meta class implementation
46: */
47: static public class MetaClass extends PDAction.MetaClass {
48: protected MetaClass(Class instanceClass) {
49: super (instanceClass);
50: }
51: }
52:
53: static public final COSName CN_ActionType_JavaScript = COSName
54: .constant("JavaScript"); //$NON-NLS-1$
55:
56: static public final COSName DK_JS = COSName.constant("JS"); //$NON-NLS-1$
57:
58: /** The meta class instance */
59: static public final MetaClass META = new MetaClass(MetaClass.class
60: .getDeclaringClass());
61:
62: static public PDActionJavaScript createNew(String script) {
63: PDActionJavaScript result = (PDActionJavaScript) PDActionJavaScript.META
64: .createNew();
65: result.setJavaScript(script);
66: return result;
67: }
68:
69: public static String decodeSource(COSObject cosSource) {
70: if (cosSource.isNull()) {
71: return null;
72: }
73: if (cosSource instanceof COSString) {
74: return (cosSource.stringValue());
75: }
76: if (cosSource instanceof COSStream) {
77: byte[] bytes = ((COSStream) cosSource).getDecodedBytes();
78: return COSString.create(bytes).stringValue();
79: }
80: return null;
81: }
82:
83: protected PDActionJavaScript(COSObject object) {
84: super (object);
85: }
86:
87: public COSName cosGetExpectedActionType() {
88: return CN_ActionType_JavaScript;
89: }
90:
91: public String getJavaScript() {
92: COSObject cosObject = cosGetField(DK_JS);
93: return decodeSource(cosObject);
94: }
95:
96: public void setJavaScript(String newJavaScript) {
97: setFieldString(DK_JS, newJavaScript);
98: }
99: }
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