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/*
* The MIT License
*
* Copyright 2017 Intuit Inc.
*
* 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.
*/
package com.intuit.karate;
import java.io.BufferedReader;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
/**
*
* @author pthomas3
*/
public class StringUtils {
private StringUtils() {
// only static methods
}
private static final String EMPTY = "";
public static class Pair {
public final String left;
public final String right;
public Pair(String left, String right) {
this.left = left;
this.right = right;
}
@Override // only needed for unit tests, so no validation and null checks
public boolean equals(Object obj) {
Pair o = (Pair) obj;
return left.equals(o.left) && right.equals(o.right);
}
@Override
public String toString() {
return left + ":" + right;
}
}
public static Pair pair(String left, String right) {
return new Pair(left, right);
}
public static String truncate(String s, int length, boolean addDots) {
if (s == null) {
return EMPTY;
}
if (s.length() > length) {
return addDots ? s.substring(0, length) + " ..." : s.substring(0, length);
}
return s;
}
public static String trimToEmpty(String s) {
if (s == null) {
return EMPTY;
} else {
return s.trim();
}
}
public static String trimToNull(String s) {
if (s == null) {
return null;
}
String temp = trimToEmpty(s);
return EMPTY.equals(temp) ? null : temp;
}
public static String repeat(char c, int count) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < count; i++) {
sb.append(c);
}
return sb.toString();
}
public static String join(Object[] a, char delimiter) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < a.length; i++) {
sb.append(a[i]);
if (i != a.length - 1) {
sb.append(delimiter);
}
}
return sb.toString();
}
public static String join(Collection c, char delimiter) {
StringBuilder sb = new StringBuilder();
Iterator iterator = c.iterator();
while (iterator.hasNext()) {
sb.append(iterator.next());
if (iterator.hasNext()) {
sb.append(delimiter);
}
}
return sb.toString();
}
public static List split(String s, char delimiter, boolean skipBackSlash) {
int pos = s.indexOf(delimiter);
if (pos == -1) {
return Collections.singletonList(s);
}
List list = new ArrayList();
int startPos = 0;
int searchPos = 0;
while (pos != -1) {
if (skipBackSlash && pos > 0 && s.charAt(pos - 1) == '\\') {
s = s.substring(0, pos - 1) + s.substring(pos);
searchPos = pos;
} else {
String temp = s.substring(startPos, pos);
if (!EMPTY.equals(temp)) {
list.add(temp);
}
startPos = pos + 1;
searchPos = startPos;
}
pos = s.indexOf(delimiter, searchPos);
}
if (startPos != s.length()) {
String temp = s.substring(startPos);
if (!EMPTY.equals(temp)) {
list.add(temp);
}
}
return list;
}
public static boolean isBlank(String s) {
return trimToNull(s) == null;
}
public static String toIdString(String name) {
if (name == null) {
return "";
}
return name.replaceAll("[\\s_\\\\/]", "-").toLowerCase();
}
public static StringUtils.Pair splitByFirstLineFeed(String text) {
String left = "";
String right = "";
if (text != null) {
int pos = text.indexOf('\n');
if (pos != -1) {
left = text.substring(0, pos).trim();
right = text.substring(pos).trim();
} else {
left = text.trim();
}
}
return StringUtils.pair(left, right);
}
public static List toStringLines(String text) {
return new BufferedReader(new StringReader(text)).lines().collect(Collectors.toList());
}
public static int countLineFeeds(String text) {
int count = 0;
for (char c : text.toCharArray()) {
if (c == '\n') {
count++;
}
}
return count;
}
public static int wrappedLinesEstimate(String text, int colWidth) {
List lines = toStringLines(text);
int estimate = 0;
for (String s : lines) {
int wrapEstimate = (int) Math.ceil(s.length() / colWidth);
if (wrapEstimate == 0) {
estimate++;
} else {
estimate += wrapEstimate;
}
}
return estimate;
}
// TODO remove js function utils
private static final Pattern FUNCTION_PATTERN = Pattern.compile("^function[^(]*\\(");
public static boolean isJavaScriptFunction(String text) {
return FUNCTION_PATTERN.matcher(text).find();
}
public static String fixJavaScriptFunction(String text) {
Matcher matcher = FUNCTION_PATTERN.matcher(text);
if (matcher.find()) {
return matcher.replaceFirst("function(");
} else {
return text;
}
}
public static T getIgnoreKeyCase(Map map, String name) {
if (map == null || name == null) {
return null;
}
for (String key : map.keySet()) {
if (name.equalsIgnoreCase(key)) {
return map.get(key);
}
}
return null;
}
public static void removeIgnoreKeyCase(Map map, String name) {
if (map == null || name == null) {
return;
}
for (String key : map.keySet()) {
if (name.equalsIgnoreCase(key)) {
map.remove(key);
return;
}
}
}
public static String throwableToString(Throwable t) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
t.printStackTrace(pw);
return sw.toString();
}
}
