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'Databene Formats' is an open source software library for supporting
data file and other formats like CSV, fixed width files, XLS, Properties and Regex.
It is designed for multithreaded use and high performance.
/*
* Copyright (C) 2011-2014 Volker Bergmann ([email protected]).
* All rights reserved.
*
* Licensed 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.databene.formats.dot;
import java.util.Collection;
import org.databene.commons.StringUtil;
/**
* Provides utility methods for formatting Fot files.
* Created: 25.05.2014 05:59:44
* @since 0.8.2
* @author Volker Bergmann
*/
public class DotUtil {
public static String normalizeId(String id) {
if (id.startsWith("\"") && id.startsWith("\""))
return id;
else if (id.contains(" ") || id.contains("-"))
return '"' + id + '"';
else
return id;
}
public static String normalizeColor(String color) {
if (StringUtil.isEmpty(color))
return null;
String baseColor = (color.startsWith("\"") && color.endsWith("\"") ? color.substring(1, color.length() - 1) : color);
return (baseColor.contains("#") ? '"' + baseColor + '"' : baseColor);
}
public static String segmentsToLabel(Collection segments, boolean vertical) {
StringBuilder builder = new StringBuilder();
boolean first = true;
if (segments != null) {
for (Object segment : segments) {
if (!first)
builder.append('|');
builder.append(segment);
first = false;
}
if (builder.length() == 0)
return null;
if (!vertical)
builder.insert(0, "{").append("}");
return builder.toString();
} else {
return null;
}
}
public static String formatLines(String... lines) {
StringBuilder builder = new StringBuilder();
for (String line : lines)
addLine(line, builder);
return builder.toString();
}
public static void addLine(String line, StringBuilder builder) {
builder.append(line).append("\\l");
}
}