From 7c643b65f3613e30a14e8e9decc92fddb8bfd654 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Fri, 01 Jul 2011 17:42:56 -0400
Subject: [PATCH] Documentation.  Include LICENSE and NOTICE files in both builds.

---
 src/com/gitblit/utils/StringUtils.java |  117 ++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 104 insertions(+), 13 deletions(-)

diff --git a/src/com/gitblit/utils/StringUtils.java b/src/com/gitblit/utils/StringUtils.java
index 8b7960b..219699f 100644
--- a/src/com/gitblit/utils/StringUtils.java
+++ b/src/com/gitblit/utils/StringUtils.java
@@ -1,12 +1,30 @@
+/*
+ * Copyright 2011 gitblit.com.
+ *
+ * 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 com.gitblit.utils;
 
 import java.io.UnsupportedEncodingException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
 import java.util.List;
-
+import java.util.regex.PatternSyntaxException;
 
 public class StringUtils {
+
+	public static final String MD5_TYPE = "MD5:";
 
 	public static boolean isEmpty(String value) {
 		return value == null || value.trim().length() == 0;
@@ -32,17 +50,43 @@
 				retStr.append("&nbsp;");
 			} else if (changeSpace && inStr.charAt(i) == '\t') {
 				retStr.append(" &nbsp; &nbsp;");
-			} else
+			} else {
 				retStr.append(inStr.charAt(i));
+			}
+			i++;
+		}
+		return retStr.toString();
+	}
+
+	public static String decodeFromHtml(String inStr) {
+		return inStr.replace("&amp;", "&").replace("&lt;", "<").replace("&gt;", ">")
+				.replace("&quot;", "\"").replace("&nbsp;", " ");
+	}
+
+	public static String encodeURL(String inStr) {
+		StringBuffer retStr = new StringBuffer();
+		int i = 0;
+		while (i < inStr.length()) {
+			if (inStr.charAt(i) == '/') {
+				retStr.append("%2F");
+			} else if (inStr.charAt(i) == ' ') {
+				retStr.append("%20");
+			} else {
+				retStr.append(inStr.charAt(i));
+			}
 			i++;
 		}
 		return retStr.toString();
 	}
 
 	public static String flattenStrings(List<String> values) {
+		return flattenStrings(values, " ");
+	}
+
+	public static String flattenStrings(List<String> values, String separator) {
 		StringBuilder sb = new StringBuilder();
 		for (String value : values) {
-			sb.append(value).append(" ");
+			sb.append(value).append(separator);
 		}
 		return sb.toString().trim();
 	}
@@ -95,23 +139,70 @@
 		try {
 			MessageDigest md = MessageDigest.getInstance("SHA-1");
 			md.update(bytes, 0, bytes.length);
-			byte[] sha1hash = md.digest();
-			StringBuilder sb = new StringBuilder(sha1hash.length * 2);
-			for (int i = 0; i < sha1hash.length; i++) {
-				if (((int) sha1hash[i] & 0xff) < 0x10)
-					sb.append("0");
-				sb.append(Long.toString((int) sha1hash[i] & 0xff, 16));
-			}
-			return sb.toString();
+			byte[] digest = md.digest();
+			return toHex(digest);
 		} catch (NoSuchAlgorithmException t) {
 			throw new RuntimeException(t);
 		}
 	}
-	
+
+	public static String getMD5(String string) {
+		try {
+			MessageDigest md = MessageDigest.getInstance("MD5");
+			md.reset();
+			md.update(string.getBytes("iso-8859-1"));
+			byte[] digest = md.digest();
+			return toHex(digest);
+		} catch (UnsupportedEncodingException u) {
+			throw new RuntimeException(u);
+		} catch (NoSuchAlgorithmException t) {
+			throw new RuntimeException(t);
+		}
+	}
+
+	private static String toHex(byte[] bytes) {
+		StringBuilder sb = new StringBuilder(bytes.length * 2);
+		for (int i = 0; i < bytes.length; i++) {
+			if (((int) bytes[i] & 0xff) < 0x10) {
+				sb.append('0');
+			}
+			sb.append(Long.toString((int) bytes[i] & 0xff, 16));
+		}
+		return sb.toString();
+	}
+
 	public static String getRootPath(String path) {
 		if (path.indexOf('/') > -1) {
-			return path.substring(0, path.indexOf('/'));
+			return path.substring(0, path.lastIndexOf('/'));
 		}
 		return "";
 	}
+
+	public static String getRelativePath(String basePath, String fullPath) {
+		String relativePath = fullPath.substring(basePath.length()).replace('\\', '/');
+		if (relativePath.charAt(0) == '/') {
+			relativePath = relativePath.substring(1);
+		}
+		return relativePath;
+	}
+
+	public static List<String> getStringsFromValue(String value) {
+		return getStringsFromValue(value, " ");
+	}
+
+	public static List<String> getStringsFromValue(String value, String separator) {
+		List<String> strings = new ArrayList<String>();
+		try {
+			String[] chunks = value.split(separator);
+			for (String chunk : chunks) {
+				chunk = chunk.trim();
+				if (chunk.length() > 0) {
+					strings.add(chunk);
+				}
+			}
+		} catch (PatternSyntaxException e) {
+			throw new RuntimeException(e);
+		}
+		return strings;
+	}
 }

--
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