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/*******************************************************************************
* Copyright (c) 2008, 2009 Mia-Software.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Gabriel Barbier (Mia-Software) - initial API and implementation
* Nicolas Bros (Mia-Software)
* Gregoire Dupe (Mia-Software) - Bug 366804 - [Restructuring] Table widget upgrade
* Gregoire Dupe (Mia-Software) - Bug 373078 - API Cleaning
*******************************************************************************/
package org.eclipse.emf.facet.util.core.internal.exported;
import org.eclipse.emf.facet.util.core.internal.Messages;
import com.ibm.icu.lang.UCharacter;
/**
* @author Gabriel Barbier
* @since 0.2
*/
// Copied from org.eclipse.emf.facet.infra.common.core.internal.utils.StringUtils
public final class StringUtils {
public static final String ELLIPSIS = Messages.StringUtils_ellipsis;
private static final int TRUNCATE_AFTER = 150;
private StringUtils() {
// prevent instantiation
}
public static String firstLetterToLowerCase(final String source) {
String result;
if (source.length() == 0) {
result = source;
} else if (source.length() == 1) {
result = source.toLowerCase();
} else {
result = source.substring(0, 1).toLowerCase() + source.substring(1);
}
return result;
}
public static String firstLetterToUpperCase(final String source) {
String result;
if (source.length() == 0) {
result = source;
} else if (source.length() == 1) {
result = source.toUpperCase();
} else {
result = source.substring(0, 1).toUpperCase() + source.substring(1);
}
return result;
}
/**
* Truncate the given String before the first newline or a maximum number of
* characters, whichever comes first. Adds an ellipsis ("...") if it was
* effectively truncated.
*
* @param str
* the string to truncate
* @return the part of the given string before the first newline
*/
public static String truncateBeforeNewline(final String str) {
int endIndex = str.indexOf('\r');
if (endIndex == -1) {
endIndex = str.indexOf('\n');
}
if (endIndex != -1 && endIndex <= StringUtils.TRUNCATE_AFTER) {
return str.substring(0, endIndex) + StringUtils.ELLIPSIS;
}
if (endIndex == -1) {
endIndex = str.length();
}
if (endIndex > StringUtils.TRUNCATE_AFTER) {
return str.substring(0, StringUtils.TRUNCATE_AFTER / 2) + StringUtils.ELLIPSIS
+ str.substring(str.length() - StringUtils.TRUNCATE_AFTER / 2, endIndex);
}
return str;
}
/**
* Get a name suitable for a Java class from the given name. Capitalizes the
* first letter and each letter after a space, and removes spaces.
*/
public static String inferJavaClassName(final String name) {
String upperName = StringUtils.firstLetterToUpperCase(name.trim());
StringBuilder javaName = new StringBuilder();
boolean space = false;
for (int i = 0; i < upperName.length(); i++) {
char c = upperName.charAt(i);
if (c == ' ') {
space = true;
} else if (space) {
javaName.append(UCharacter.toUpperCase(c));
space = false;
} else {
javaName.append(c);
}
}
return javaName.toString();
}
}
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