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1
19
20 package org.netbeans.modules.projectimport.eclipse;
21
22 import java.io.IOException  ;
23 import java.io.StringReader ;
24 import java.util.HashMap ;
25 import java.util.Map ;
26 import java.util.logging.Logger ;
27 import org.netbeans.modules.projectimport.LoggerFactory;
28 import org.openide.ErrorManager;
29 import org.xml.sax.Attributes ;
30 import org.xml.sax.InputSource ;
31 import org.xml.sax.SAXException ;
32 import org.xml.sax.SAXParseException ;
33 import org.xml.sax.helpers.DefaultHandler ;
34 import org.netbeans.modules.projectimport.ProjectImporterException;
35 import org.openide.xml.XMLUtil;
36 import org.xml.sax.XMLReader ;
37
38
43 final class PreferredVMParser extends DefaultHandler {
44
45
46 private static final Logger logger =
47 LoggerFactory.getDefault().createLogger(PreferredVMParser.class);
48
49 private static final String VM_SETTINGS = "vmSettings"; private static final String VM_TYPE = "vmType"; private static final String VM = "vm"; private static final String LIBRARY_LOCATIONS = "libraryLocations"; private static final String LIBRARY_LOCATION = "libraryLocation";
56 private static final String DEFAULT_VM_ATTR = "defaultVM"; private static final String ID_ATTR = "id"; private static final String NAME_ATTR = "name"; private static final String PATH_ATTR = "path";
62 private static final int POSITION_NONE = 0;
64 private static final int POSITION_VM_SETTINGS = 1;
65 private static final int POSITION_VM_TYPE = 2;
66 private static final int POSITION_VM = 3;
67 private static final int POSITION_LIBRARY_LOCATIONS = 4;
68 private static final int POSITION_LIBRARY_LOCATION = 5;
69
70 private int position = POSITION_NONE;
71 private StringBuffer chars;
72 private String defaultId;
73
74 private Map jdks;
75
76 private PreferredVMParser() {}
77
78
79 static Map parse(String vmXML) throws ProjectImporterException {
80 PreferredVMParser parser = new PreferredVMParser();
81 parser.load(new InputSource (new StringReader (vmXML)));
82 return parser.jdks;
83 }
84
85
86 private void load(InputSource vmXMLIS) throws ProjectImporterException{
87 try {
88 XMLReader reader = XMLUtil.createXMLReader(false, true);
89 reader.setContentHandler(this);
90 reader.setErrorHandler(this);
91 chars = new StringBuffer (); reader.parse(vmXMLIS); } catch (IOException e) {
94 throw new ProjectImporterException(e);
95 } catch (SAXException e) {
96 throw new ProjectImporterException(e);
97 }
98 }
99
100 public void characters(char ch[], int offset, int length) throws SAXException {
101 chars.append(ch, offset, length);
102 }
103
104 public void startElement(String uri, String localName,
105 String qName, Attributes attributes) throws SAXException {
106
107 chars.setLength(0);
108 switch (position) {
109 case POSITION_NONE:
110 if (localName.equals(VM_SETTINGS)) {
111 position = POSITION_VM_SETTINGS;
112 String defaultVMAttr = attributes.getValue(DEFAULT_VM_ATTR);
114 defaultId = defaultVMAttr.substring(defaultVMAttr.lastIndexOf(',') + 1);
115 jdks = new HashMap ();
116 } else {
117 throw (new SAXException ("First element has to be " + VM_SETTINGS + ", but is " + localName)); }
120 break;
121 case POSITION_VM_SETTINGS:
122 if (localName.equals(VM_TYPE)) {
123 position = POSITION_VM_TYPE;
124 }
125 break;
126 case POSITION_VM_TYPE:
127 if (localName.equals(VM)) {
128 position = POSITION_VM;
129 addJDK(attributes.getValue(ID_ATTR),
130 attributes.getValue(NAME_ATTR),
131 attributes.getValue(PATH_ATTR));
132 }
133 break;
134 case POSITION_VM:
135 if (localName.equals(LIBRARY_LOCATIONS)) {
136 position = POSITION_LIBRARY_LOCATIONS;
137 logger.info("JRE used by your project presuambly contains additional jars. This is not supported (imported) yet. " + "CC yourself to issue http://www.netbeans.org/issues/show_bug.cgi?id=70733 to watch a progress."); }
146 break;
147 case POSITION_LIBRARY_LOCATIONS:
148 if (localName.equals(LIBRARY_LOCATION)) {
149 position = POSITION_LIBRARY_LOCATION;
150 }
152 break;
153 default:
154 throw (new SAXException ("Unknown position reached: " + position + " (element: " + localName + ")")); }
157 }
158
159 public void endElement(String uri, String localName, String qName) throws
162 SAXException {
163 switch (position) {
164 case POSITION_VM_SETTINGS:
165 position = POSITION_NONE;
167 break;
168 case POSITION_VM_TYPE:
169 position = POSITION_VM_SETTINGS;
170 break;
171 case POSITION_VM:
172 position = POSITION_VM_TYPE;
173 break;
174 case POSITION_LIBRARY_LOCATIONS:
175 position = POSITION_VM;
176 break;
177 case POSITION_LIBRARY_LOCATION:
178 position = POSITION_LIBRARY_LOCATIONS;
179 break;
180 default:
181 ErrorManager.getDefault().log(ErrorManager.WARNING,
182 "Unknown state reached in ClassPathParser, " + "position: " + position); }
185 chars.setLength(0);
186 }
187
188 public void error(SAXParseException e) throws SAXException {
189 ErrorManager.getDefault().log(ErrorManager.WARNING, "Error occurres: " + e); throw e;
191 }
192
193 public void fatalError(SAXParseException e) throws SAXException {
194 ErrorManager.getDefault().log(ErrorManager.WARNING, "Fatal error occurres: " + e); throw e;
196 }
197
198 private void addJDK(String id, String name, String value) {
199 if (id.equals(defaultId)) {
200 jdks.put(Workspace.DEFAULT_JRE_CONTAINER, value);
204 }
205 jdks.put(name, value);
206 }
207 }
208 |
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