/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.uima.ruta.ide.ui.documentation;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import org.apache.uima.ruta.ide.RutaIdePlugin;
import org.eclipse.dltk.core.IMember;
import org.eclipse.dltk.ui.documentation.IScriptDocumentationProvider;
import org.htmlparser.Parser;
import org.htmlparser.util.NodeList;
public abstract class AbstractLanguageElementDocumentationProvider implements
IScriptDocumentationProvider {
protected Map<String, String> map;
public AbstractLanguageElementDocumentationProvider(String file) {
super();
map = new HashMap<String, String>();
if (file != null) {
try {
fillMap(file);
} catch (IOException e) {
}
}
}
public Reader getInfo(String content) {
String string = map.get(content);
if (string == null) {
return null;
}
return new StringReader(string);
}
public Reader getInfo(IMember element, boolean lookIntoParents, boolean lookIntoExternal) {
return null;
}
private void fillMap(String documentationFile) throws IOException {
InputStream resourceAsStream = getClass().getResourceAsStream(documentationFile);
BufferedReader reader = new BufferedReader(new InputStreamReader(resourceAsStream));
StringBuilder sb = new StringBuilder();
while (true) {
String line;
line = reader.readLine();
if (line == null) {
break;
}
sb.append(line + "\n");
}
String document = sb.toString();
try {
Parser parser = new Parser(document);
NodeList list = parser.parse(null);
HtmlDocumentationVisitor visitor = new HtmlDocumentationVisitor(document);
list.visitAllNodesWith(visitor);
map.putAll(visitor.getMap());
} catch (Exception e) {
RutaIdePlugin.error(e);
}
}
}