Sandbox store to dns name mangler. It's hooked into the website creation wizard.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3880 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2006-09-22 01:56:38 +00:00
parent 966746b294
commit 798ed97aef
3 changed files with 152 additions and 7 deletions
--- a/source/java/org/alfresco/web/bean/wcm/DNSNameMangler.java
+++ b/source/java/org/alfresco/web/bean/wcm/DNSNameMangler.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2006 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.web.bean.wcm;
+
+import java.util.regex.Pattern;
+
+import org.alfresco.util.GUID;
+
+/**
+ * Utility to convert sandbox store names into DNS save names.
+ * @author britt
+ */
+class DNSNameMangler
+{
+    // Component Separator.
+    private static final String SEPARATOR = "--";
+
+    // Regular expressions.
+    private static final Pattern RX_DNS_LEGAL =
+        Pattern.compile("^[a-z0-9][a-z0-9-]{0,57}[a-z0-9]$");
+    private static final Pattern RX_ILLEGAL_CHARS =
+        Pattern.compile("[^a-z0-9]");
+    private static final Pattern RX_HYPHENS =
+        Pattern.compile("\\-+");
+    private static final Pattern RX_LEADING_HYPHEN =
+        Pattern.compile("^\\-");
+    private static final Pattern RX_TRAILING_HYPHEN =
+        Pattern.compile("\\-$");
+    
+    /**
+     * Make a DNS readable name related to the components passed in.
+     * @param components The Strings from which to synthesize the DNS name.
+     * @return A Valid DNS name.
+     */
+    static String MakeDNSName(String... components)
+    {
+        StringBuilder builder = new StringBuilder();
+        for (int i = 0; i < components.length - 1; i++)
+        {
+            builder.append(MangleOne(components[i]));
+            builder.append(SEPARATOR);
+        }
+        builder.append(MangleOne(components[components.length - 1]));
+        String result = builder.toString();
+        if (RX_DNS_LEGAL.matcher(result).matches())
+        {
+            return result;
+        }
+        // Otherwise more drastic measures are needed.
+        result = components[0] + "--" + GUID.generate();
+        result = MangleOne(result);
+        if (RX_DNS_LEGAL.matcher(result).matches())
+        {
+            return result;
+        }
+        // Finally this cannot fail.
+        return MangleOne(GUID.generate());
+    }
+    
+    /**
+     * Mangle one component of a DNS legal name.
+     * @param name The component.
+     * @return The mangled component.
+     */
+    static String MangleOne(String name)
+    {
+        name = name.toLowerCase();
+        name = RX_ILLEGAL_CHARS.matcher(name).replaceAll("-");
+        name = RX_HYPHENS.matcher(name).replaceAll("-");
+        name = RX_LEADING_HYPHEN.matcher(name).replaceAll("x");
+        name = RX_TRAILING_HYPHEN.matcher(name).replaceAll("x");
+        return name;
+    }
+}