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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.classdiagram.command;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.command.regex.MyPattern;
import net.sourceforge.plantuml.cucadiagram.LeafType;
class JavaFile {
private static final Pattern classDefinition = MyPattern
.cmpile("^(?:public[%s]+|abstract[%s]+|final[%s]+)*(class|interface|enum|annotation)[%s]+(\\w+)(?:.*\\b(extends|implements)[%s]+([\\w%s,]+))?");
private static final Pattern packageDefinition = MyPattern.cmpile("^package[%s]+([\\w+.]+)[%s]*;");
private final List<JavaClass> all = new ArrayList<JavaClass>();
public JavaFile(File f) throws IOException {
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(f));
initFromReader(br);
} finally {
if (br != null) {
br.close();
}
}
}
private void initFromReader(BufferedReader br) throws IOException {
String javaPackage = null;
String s;
while ((s = br.readLine()) != null) {
s = StringUtils.trin(s);
final Matcher matchPackage = packageDefinition.matcher(s);
if (matchPackage.find()) {
javaPackage = matchPackage.group(1);
} else {
final Matcher matchClassDefinition = classDefinition.matcher(s);
if (matchClassDefinition.find()) {
final String n = matchClassDefinition.group(2);
final String p = matchClassDefinition.group(4);
final LeafType type = LeafType.valueOf(StringUtils.goUpperCase(matchClassDefinition.group(1)));
final LeafType parentType = getParentType(type, matchClassDefinition.group(3));
all.add(new JavaClass(javaPackage, n, p, type, parentType));
}
}
}
}
static LeafType getParentType(LeafType type, String extendsOrImplements) {
if (extendsOrImplements == null) {
return null;
}
if (type == LeafType.CLASS) {
if (extendsOrImplements.equals("extends")) {
return LeafType.CLASS;
}
return LeafType.INTERFACE;
}
return LeafType.INTERFACE;
}
public List<JavaClass> getJavaClasses() {
return Collections.unmodifiableList(all);
}
}
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