1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.webapp.servlet;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.help.internal.base.HelpBasePlugin;
import org.eclipse.help.internal.util.ProductPreferences;
import org.eclipse.help.internal.webapp.data.CssUtil;
import org.eclipse.help.internal.webapp.data.UrlUtil;
import org.eclipse.help.webapp.IFilter;
/**
* This class inserts a CSSs for narrow and disabled CSSs when called from the
* dynamic help view.
*/
public class InjectionFilter implements IFilter {
private static final String disabledBook3 = "\n<script type=\"text/javascript\" src=\""; //$NON-NLS-1$
private static final String disabledBook4 = "livehelp.js\"> </script>"; //$NON-NLS-1$
private final String TOPIC_CSS = "topic_css"; //$NON-NLS-1$
private final String NAV_CSS = "nav_css"; //$NON-NLS-1$
private final String NARROW_CSS = "narrow_css"; //$NON-NLS-1$
private final String DISABLED_CSS = "disabled_css"; //$NON-NLS-1$
private final String REMOTE_CSS = "remote_css"; //$NON-NLS-1$
private boolean isRemote;
public InjectionFilter( boolean isRemote ) {
this.isRemote = isRemote;
}
/*
* @see IFilter#filter(HttpServletRequest, OutputStream)
*/
@Override
public OutputStream filter(HttpServletRequest req, OutputStream out) {
boolean isUnfiltered = ProductPreferences.useEnablementFilters();
boolean addNarrow = false;
boolean addDisabled = false;
boolean needsLiveHelp = false;
String uri = req.getRequestURI();
boolean isNav = "/nav".equals(req.getServletPath()); //$NON-NLS-1$
if (uri == null || !uri.endsWith("html") && !uri.endsWith("htm") && !isNav) { //$NON-NLS-1$ //$NON-NLS-2$
return out;
}
if (UrlUtil.isBot(req)) {
return out;
}
String pathInfo = req.getPathInfo();
if (pathInfo == null) {
return out;
}
List<String> cssIncludes = new ArrayList<String>();
if (isNav) {
CssUtil.addCssFiles(NAV_CSS, cssIncludes);
} else {
CssUtil.addCssFiles(TOPIC_CSS, cssIncludes);
}
if(isRemote){
CssUtil.addCssFiles(REMOTE_CSS, cssIncludes);
}
boolean enabled = isUnfiltered || isNav
|| HelpBasePlugin.getActivitySupport().isRoleEnabled(pathInfo)
|| isRemote;
if ("/ntopic".equals(req.getServletPath())) { //$NON-NLS-1$
addNarrow = true;
CssUtil.addCssFiles(NARROW_CSS, cssIncludes);
}
if (!enabled) {
addDisabled = true;
CssUtil.addCssFiles(DISABLED_CSS, cssIncludes);
}
needsLiveHelp = !enabled && HelpBasePlugin.getActivitySupport().getDocumentMessageUsesLiveHelp(addNarrow);
if (cssIncludes.size() == 0 && !addDisabled)
return out;
IPath path = new Path(pathInfo);
int upLevels = path.segmentCount() - 1;
String relativePath = FilterUtils.getRelativePathPrefix(req);
StringBuffer script = new StringBuffer();
StringBuffer disabledContent = new StringBuffer();
script.append(CssUtil.createCssIncludes(cssIncludes, FilterUtils.getRelativePathPrefix(req)));
if (addDisabled) {
if (needsLiveHelp) {
script.append(disabledBook3);
script.append(relativePath);
script.append("content/org.eclipse.help/"); //$NON-NLS-1$
script.append(disabledBook4);
}
appendDisabled(disabledContent, upLevels, addNarrow, relativePath);
}
try {
return new FilterHTMLHeadAndBodyOutputStream(
out,
script.toString().getBytes("ASCII"), addDisabled ? disabledContent.toString() : null); //$NON-NLS-1$
} catch (UnsupportedEncodingException uee) {
return out;
}
}
private void appendDisabled(StringBuffer buff, int nsteps, boolean narrow, String relativePath) {
String message = HelpBasePlugin.getActivitySupport().getDocumentMessage(narrow);
if (message==null)
return;
buff.append("<div id=\"help-disabledTopic\">"); //$NON-NLS-1$
buff.append("<img src=\""); //$NON-NLS-1$
buff.append(relativePath);
buff.append("content/org.eclipse.help.webapp/"); //$NON-NLS-1$
buff.append("advanced/images/e_show_all.gif\" border=\"0\" align=\"bottom\"> "); //$NON-NLS-1$
buff.append(message);
buff.append("<br><hr></div>"); //$NON-NLS-1$
}
}
|
