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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* 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 net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.command.regex.Matcher2;
import net.sourceforge.plantuml.command.regex.MyPattern;
import net.sourceforge.plantuml.command.regex.Pattern2;
import net.sourceforge.plantuml.cucadiagram.LeafType;
class JavaFile {
private static final Pattern2 classDefinition = MyPattern
.cmpile("^(?:public[%s]+|abstract[%s]+|final[%s]+)*(class|interface|enum|annotation)[%s]+(\\w+)(?:.*\\b(extends|implements)[%s]+([\\w%s,]+))?");
private static final Pattern2 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 Matcher2 matchPackage = packageDefinition.matcher(s);
if (matchPackage.find()) {
javaPackage = matchPackage.group(1);
} else {
final Matcher2 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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