svn commit: r155020 - lenya/trunk/src/java/org/apache/lenya/cms/site/usecases/SiteUtility.java

[an...@apache.org]

Author: andreas
Date: Wed Feb 23 07:23:36 2005
New Revision: 155020

URL: http://svn.apache.org/viewcvs?view=rev&rev=155020
Log:
added site usecase utility class

Added:
    lenya/trunk/src/java/org/apache/lenya/cms/site/usecases/SiteUtility.java

Added: lenya/trunk/src/java/org/apache/lenya/cms/site/usecases/SiteUtility.java
URL: http://svn.apache.org/viewcvs/lenya/trunk/src/java/org/apache/lenya/cms/site/usecases/SiteUtility.java?view=auto&rev=155020
==============================================================================
--- lenya/trunk/src/java/org/apache/lenya/cms/site/usecases/SiteUtility.java (added)
+++ lenya/trunk/src/java/org/apache/lenya/cms/site/usecases/SiteUtility.java Wed Feb 23 07:23:36 2005
@@ -0,0 +1,72 @@
+/*
+ * Copyright  1999-2004 The Apache Software Foundation
+ *
+ *  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 org.apache.lenya.cms.site.usecases;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.lenya.cms.publication.Document;
+import org.apache.lenya.cms.publication.DocumentBuildException;
+import org.apache.lenya.cms.publication.DocumentException;
+import org.apache.lenya.cms.publication.DocumentIdentityMap;
+
+/**
+ * Utility methods for site usecases.
+ * 
+ * @version $Id:$
+ */
+public class SiteUtility {
+
+    /**
+     * Checks if a document can be created. This is the case if the document ID
+     * is valid and the document does not yet exist.
+     * @param parent The parent of the document.
+     * @param nodeId The node ID.
+     * @param language The language.
+     * @return An array of error messages. The array is empty if the document
+     *         can be created.
+     * @throws DocumentBuildException if an error occurs.
+     * @throws DocumentException if an error occurs.
+     */
+    public String[] canCreate(Document parent, String nodeId, String language)
+            throws DocumentBuildException, DocumentException {
+
+        List errorMessages = new ArrayList();
+        String newDocumentId = parent.getId() + "/" + nodeId;
+
+        DocumentIdentityMap identityMap = parent.getIdentityMap();
+
+        if (nodeId.equals("")) {
+            errorMessages.add("The document ID is required.");
+        } else if (nodeId.indexOf("/") > -1) {
+            errorMessages.add("The document ID may not contain a slash ('/').");
+        } else if (identityMap.getFactory().isValidDocumentId(newDocumentId)) {
+            Document newDocument = identityMap.getFactory().get(parent.getArea(),
+                    newDocumentId,
+                    language);
+
+            if (newDocument.exists()) {
+                errorMessages.add("A document with this ID already exists.");
+            }
+        } else {
+            errorMessages.add("This document ID is not valid.");
+        }
+
+        return (String[]) errorMessages.toArray(new String[errorMessages.size()]);
+    }
+
+}
\ No newline at end of file



---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@lenya.apache.org
For additional commands, e-mail: commits-help@lenya.apache.org