org.kuali.maven.plugins.jenkins.helper.Helper Maven / Gradle / Ivy
/**
* Copyright 2011-2011 The Kuali Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
*
* 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.kuali.maven.plugins.jenkins.helper;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
public class Helper {
public static final String EQUALS = "=";
public static final String SPACE = " ";
public static final String COMMA = ",";
public static final String EMPTY_STRING = "";
public static final String FS = System.getProperty("file.separator");
public static final String getRelativePath(File dir, File file) {
String dirPath = dir.getAbsolutePath();
String filePath = file.getAbsolutePath();
int pos = filePath.indexOf(dirPath);
int len = dirPath.length();
if (pos == -1) {
return null;
}
return filePath.substring(pos + len + FS.length());
}
public static final String toCSV(int[] integers) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < integers.length; i++) {
if (i != 0) {
sb.append(COMMA);
}
sb.append(integers[i]);
}
return sb.toString();
}
public static final String toCSV(Integer[] integers) {
return toCSV(toIntArray(integers));
}
public static final String toCSV(List integers) {
return toCSV(toIntegerArray(integers));
}
public static final int[] toIntArray(List integers) {
int[] ints = new int[integers.size()];
for (int i = 0; i < ints.length; i++) {
ints[i] = integers.get(i);
}
return ints;
}
public static final int[] toIntArray(Integer[] integers) {
return toIntArray(toIntegerList(integers));
}
public static final Integer[] toIntegerArray(List integers) {
return integers.toArray(new Integer[integers.size()]);
}
public static final List toIntegerList(Integer[] integers) {
return Arrays.asList(integers);
}
public static final List toIntegerList(String csv) {
int[] integers = toIntArray(csv);
List list = new ArrayList();
for (int integer : integers) {
list.add(integer);
}
return list;
}
public static final int[] toIntArray(String csv) {
String[] tokens = splitAndTrimCSV(csv);
int[] integers = new int[tokens.length];
for (int i = 0; i < integers.length; i++) {
integers[i] = new Integer(tokens[i]);
}
return integers;
}
/**
* Return a List (never null) where each String element is one "line" from the string passed in
*/
public static final List getLines(String s) {
if (StringUtils.isBlank(s)) {
return new ArrayList();
}
InputStream in = new ByteArrayInputStream(s.getBytes());
try {
return IOUtils.readLines(in);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* Return a List (never null) where each String element is "key=value" from the map and the csv tokens from
* the csv string. The csv is assumed to be "key=value" pairs separated by commas
*/
public static final List toKeyValueList(Map map, String csv) {
List list = new ArrayList();
if (!isEmpty(map)) {
list.addAll(toKeyValueList(map));
}
if (!StringUtils.isBlank(csv)) {
String[] tokens = splitAndTrimCSV(csv);
list.addAll(Arrays.asList(tokens));
}
return list;
}
/**
* Create a map from an array of key=value strings
*/
public static final Map toMap(String[] keyValuePairs) {
return toMap(Arrays.asList(keyValuePairs));
}
/**
* Create a map from a list of key=value strings
*/
public static final Map toMap(List keyValuePairs) {
Map map = new HashMap();
for (String keyValuePair : keyValuePairs) {
String[] tokens = StringUtils.split(keyValuePair, EQUALS);
String key = tokens[0];
String value = tokens[1];
map.put(key, value);
}
return map;
}
/**
* Convert the map to a list where each string in the list is "key=value" from the map
*/
public static final List toKeyValueList(Map map) {
List list = new ArrayList();
for (Map.Entry pair : map.entrySet()) {
String s = pair.getKey() + EQUALS + pair.getValue();
list.add(s);
}
return list;
}
/**
* Split the CSV string trimming as we go
*/
public static final List splitAndTrimCSVToList(String s) {
return toList(splitAndTrim(s, COMMA));
}
/**
* Split the CSV string trimming as we go
*/
public static final String[] splitAndTrimCSV(String s) {
return splitAndTrim(s, COMMA);
}
/**
* Split the string trimming as we go
*/
public static final String[] splitAndTrim(String s, String separator) {
String[] tokens = StringUtils.split(s, separator);
for (String token : tokens) {
token = token.trim();
}
return tokens;
}
/**
* Convert List into String[]
*/
public static final List toList(String... strings) {
return Arrays.asList(strings);
}
/**
* Create a one element list from the element passed in
*/
public static final List toList(T element) {
List list = new ArrayList();
list.add(element);
return list;
}
/**
* Convert List into String[]
*/
public static final String[] toArray(List list) {
return list.toArray(new String[list.size()]);
}
/**
* Return "" if the string passed in is null or all whitespace
*/
public static final String toEmpty(String s) {
if (StringUtils.isBlank(s)) {
return EMPTY_STRING;
} else {
return s;
}
}
/**
* Combine the elements in the list into a string separated by spaces
*/
public static final String toString(List list) {
return toString(toArray(list), SPACE);
}
/**
* Return a string representing the strings from the list combined into a single string separated by "separator"
*/
public static final String toString(List list, String separator) {
return toString(toArray(list), separator);
}
/**
* Return a string representing the tokens combined into a single string separated by a space
*/
public static final String toString(String[] tokens) {
return toString(tokens, SPACE);
}
/**
* Return a string representing the tokens combined into a single string separated by "separator"
*/
public static final String toString(String[] tokens, String separator) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < tokens.length; i++) {
if (i != 0) {
sb.append(separator);
}
sb.append(tokens[i]);
}
return sb.toString();
}
/**
* return true if target matches any of the values passed in
*/
public static final boolean isMatch(int target, int... values) {
for (int value : values) {
if (value == target) {
return true;
}
}
return false;
}
/**
* Return true if map is null or size zero
*/
public static final boolean isEmpty(Map map) {
return map == null || map.size() == 0;
}
/**
* Return true if c is null or size zero
*/
public static final boolean isEmpty(Collection c) {
return c == null || c.size() == 0;
}
/**
* Return true if any of the args passed in are blank
*/
public static final boolean anyAreBlank(String... strings) {
for (String string : strings) {
if (StringUtils.isBlank(string)) {
return true;
}
}
return false;
}
/**
* Return true if strings is null or length zero
*/
public static final boolean isEmpty(String[] strings) {
return strings == null || strings.length == 0;
}
/**
* Add args to list
*/
public static final void addToList(List list, String... args) {
if (isEmpty(args)) {
return;
}
for (String arg : args) {
list.add(arg);
}
}
}
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