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

source/java/org/alfresco/web/bean/wcm/CreateWebsiteWizard.java

@@ -279,8 +279,7 @@ public class CreateWebsiteWizard extends BaseWizardBean
             new PropertyValue(DataTypeDefinition.TEXT, null));
       
       // tag the store with the DNS name property
-      tagStoreDNSPath(stagingStore);
-      
+      tagStoreDNSPath(stagingStore, name, "staging");
       
       // create the 'preview' store for the website
       String previewStore = AVMConstants.buildAVMStagingPreviewStoreName(name);
@@ -300,7 +299,7 @@ public class CreateWebsiteWizard extends BaseWizardBean
             new PropertyValue(DataTypeDefinition.TEXT, null));
       
       // tag the store with the DNS name property
-      tagStoreDNSPath(previewStore);
+      tagStoreDNSPath(previewStore, name, "preview");
       
       
       // tag all related stores to indicate that they are part of a single sandbox
@@ -360,7 +359,7 @@ public class CreateWebsiteWizard extends BaseWizardBean
             new PropertyValue(DataTypeDefinition.TEXT, null));
       
       // tag the store with the DNS name property
-      tagStoreDNSPath(userStore);
+      tagStoreDNSPath(userStore, name, username, "main");
       
       
       // create the user 'preview' store
@@ -385,7 +384,7 @@ public class CreateWebsiteWizard extends BaseWizardBean
             new PropertyValue(DataTypeDefinition.TEXT, null));
       
       // tag the store with the DNS name property
-      tagStoreDNSPath(previewStore);
+      tagStoreDNSPath(previewStore, name, username, "preview");
       
       
       // tag all related stores to indicate that they are part of a single sandbox
@@ -402,11 +401,11 @@ public class CreateWebsiteWizard extends BaseWizardBean
     * 
     * @param store  Name of the store to tag
     */
-   private void tagStoreDNSPath(String store)
+   private void tagStoreDNSPath(String store, String... components)
    {
       String path = store + ":/" + AVMConstants.DIR_APPBASE + '/' + AVMConstants.DIR_WEBAPPS;
       // TODO: DNS name mangle the property name - can only contain value DNS characters!
-      String dnsProp = AVMConstants.PROP_DNS + store;
+      String dnsProp = AVMConstants.PROP_DNS + DNSNameMangler.MakeDNSName(components);
       this.avmService.setStoreProperty(store, QName.createQName(null, dnsProp),
             new PropertyValue(DataTypeDefinition.TEXT, path));
    }

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;
+    }
+}

source/java/org/alfresco/web/bean/wcm/DNSNameManglerTest.java

@@ -0,0 +1,57 @@
+/*
+ * 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 junit.framework.TestCase;
+
+/**
+ * Test the DNSNameMangler.
+ * @author britt
+ */
+public class DNSNameManglerTest extends TestCase
+{
+    /**
+     * Test it.
+     */
+    public void testIt()
+    {
+        try
+        {
+            String mangled = DNSNameMangler.MakeDNSName("website", "britt", "main");
+            System.out.println(mangled);
+            assertTrue(mangled.length() <= 59);
+            mangled = DNSNameMangler.MakeDNSName("website", "Foodle Dee dOO", "main");
+            System.out.println(mangled);
+            assertTrue(mangled.length() <= 59);
+            mangled = DNSNameMangler.MakeDNSName("website-thinkl$", "winky_froo", "orkle");
+            System.out.println(mangled);
+            assertTrue(mangled.length() <= 59);
+            mangled = DNSNameMangler.MakeDNSName("fork", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxZZxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "winkle");
+            System.out.println(mangled);
+            assertTrue(mangled.length() <= 59);
+            mangled = DNSNameMangler.MakeDNSName("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "Frederick", "preview");
+            System.out.println(mangled);
+            assertTrue(mangled.length() <= 59);
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace(System.err);
+            fail();
+        }
+    }
+}