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1 package de.java2html.plugin.jspwiki;
2
3 import java.io.IOException  ;
4 import java.net.MalformedURLException ;
5 import java.net.URL ;
6 import java.util.Map ;
7
8 import com.ecyrd.jspwiki.WikiContext;
9 import com.ecyrd.jspwiki.plugin.PluginException;
10 import com.ecyrd.jspwiki.plugin.WikiPlugin;
11
12 import de.java2html.JavaSourceConversionSettings;
13 import de.java2html.Version;
14 import de.java2html.converter.JavaSourceConverterProvider;
15 import de.java2html.options.JavaSourceConversionOptions;
16 import de.java2html.plugin.AbstractJava2HtmlPlugin;
17 import de.java2html.plugin.ParameterUtilities;
18 import de.java2html.util.IllegalConfigurationException;
19
20
23 public class Java2HtmlPlugin extends AbstractJava2HtmlPlugin implements WikiPlugin {
24 public static final String DEFAULT_USAGE_MESSAGE = "Missing parameter 'source', 'url' or 'attachment' or missing body. Valid parameters are:"
25 + PluginParameterChecker.createValidParameterHtmlTable();
26
27 public String execute(WikiContext context, Map params) throws PluginException {
28 new PluginParameterChecker().checkParametersSupported(params);
29
30 String printVersion = ParameterUtilities.getParameter(params, PluginParameter.PRINT_VERSION);
31 if (printVersion != null) {
32 return "<b>" + Version.getJava2HtmlConverterTitle() + "</b>";
33 }
34
35 JavaSourceConversionOptions conversionOptions;
36 try {
37 conversionOptions = new PluginConversionOptionsParser().parseConversionOptions(params);
38 }
39 catch (IllegalConfigurationException e) {
40 throw new PluginException(e.getMessage(), e);
41 }
42
43 String converterName = ParameterUtilities.getParameter(params, PluginParameter.CONVERTER);
44 if (converterName == null) {
45 converterName = JavaSourceConverterProvider.getDefaultConverterName();
46 }
47 else {
48 if (JavaSourceConverterProvider.getJavaSourceConverterByName(converterName) == null) {
49 throw new PluginException("Unknown converter '" + converterName + "'."); }
51 }
52
53 String urlString = ParameterUtilities.getParameter(params, PluginParameter.URL);
54 if (urlString != null) {
55 return convertFileFromUrl(urlString, conversionOptions, context, converterName);
56 }
57
58 String source = ParameterUtilities.getParameter(params, PluginParameter.SOURCE);
59 if (source != null) {
60 return convert(source, new JavaSourceConversionSettings(conversionOptions, converterName));
61 }
62 String body = ParameterUtilities.getParameter(params, PluginParameter._BODY);
63 if (body != null) {
64 body = removeLeadingNewLine(body);
65 return convert(body, new JavaSourceConversionSettings(conversionOptions, converterName));
66 }
67 String attachment = ParameterUtilities.getParameter(params, PluginParameter.ATTACHMENT);
68 if (attachment != null) {
69 new PluginSecurityManager(context).checkValidAttachmentUrlPart(attachment);
70 URL url = createAttachmentUrl(context, attachment);
71 try {
72 return convert(url, new JavaSourceConversionSettings(conversionOptions, converterName));
73 }
74 catch (IOException e) {
75 throw new PluginException("Unable to read Url '" + urlString + "'", e); }
77 }
78
79 throw new PluginException(DEFAULT_USAGE_MESSAGE);
80 }
81
82 private String removeLeadingNewLine(String body) {
83 if (body.length() > 0 && body.charAt(0) == '\n') {
84 return body.substring(1);
85 }
86 else {
87 return body;
88 }
89 }
90
91 private URL createAttachmentUrl(WikiContext context, String attachment) throws PluginException {
92 String baseUrl = context.getEngine().getBaseURL();
93 if (baseUrl == null || baseUrl.length() == 0) {
94 throw new PluginException(
95 "Unable to determine the base url for this wiki. Please contact the wiki administrator to adjust the settings."); }
97 try {
98 return new URL (baseUrl + "attach?page=" + context.getPage().getName() + "/" + attachment); }
100 catch (MalformedURLException e) {
101 throw new PluginException("Unable to build attachment URL", e); }
103 }
104
105 private String convertFileFromUrl(
106 String urlString,
107 JavaSourceConversionOptions conversionOptions,
108 WikiContext context,
109 String converterName) throws PluginException {
110 URL url = null;
111 try {
112 url = new URL (urlString);
113 }
114 catch (MalformedURLException e) {
115 throw new PluginException("Unable to open url '" + urlString + "'", e); }
117
118 new PluginSecurityManager(context).checkUrlAccessEnabled(url);
119
120 try {
121 return convert(url, new JavaSourceConversionSettings(conversionOptions, converterName));
122 }
123 catch (IOException e) {
124 throw new PluginException("Unable to read Url '" + url + "'", e); }
126 }
127 } |
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