Move NameVersion

[gpl/argeo-slc.git] / runtime / org.argeo.slc.server / src / main / java / org / argeo / slc / web / mvc / provisioning / ListModularDistributions.java

diff --git a/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/provisioning/ListModularDistributions.java b/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/provisioning/ListModularDistributions.java
index 13261dd7d4ed800097325c04d0c3de9d6b720946..dbf31f7ee5b2e15482fbd42ba460000d87bbfb7c 100644 (file)
--- a/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/provisioning/ListModularDistributions.java
+++ b/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/provisioning/ListModularDistributions.java
@@ -1,11 +1,34 @@
+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * 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.argeo.slc.web.mvc.provisioning;
 
+import java.util.Comparator;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
+import java.util.SortedSet;
+import java.util.TreeSet;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.argeo.slc.BasicNameVersion;
+import org.argeo.slc.NameVersion;
+import org.argeo.slc.build.BuildConstants;
 import org.argeo.slc.build.ModularDistribution;
 import org.argeo.slc.msg.ObjectList;
 import org.argeo.slc.msg.build.ModularDistributionDescriptor;
@@ -13,37 +36,48 @@ import org.argeo.slc.web.mvc.AbstractServiceController;
 import org.springframework.web.servlet.ModelAndView;
 
 /** List of distributions. */
-public class ListModularDistributions extends AbstractServiceController {
+public class ListModularDistributions extends AbstractServiceController
+               implements Comparator<ModularDistributionDescriptor> {
        private Set<ModularDistribution> modularDistributions;
 
+       private String provisioningServletPath = "/dist";
+
        @Override
        protected void handleServiceRequest(HttpServletRequest request,
                        HttpServletResponse response, ModelAndView modelAndView)
                        throws Exception {
 
                String baseUrl = "http://" + request.getServerName() + ":"
-                               + request.getServerPort() + request.getContextPath() + "/dist"
-                               + "/";
+                               + request.getServerPort() + request.getContextPath()
+                               + provisioningServletPath + "/";
 
-               ObjectList ol = new ObjectList();
+               SortedSet<ModularDistributionDescriptor> descriptors = new TreeSet<ModularDistributionDescriptor>(
+                               this);
 
+               Set<String> names = new HashSet<String>();
+               Set<String> namesRelease = new HashSet<String>();
+
+               // Scan distributions
                for (Iterator<ModularDistribution> it = modularDistributions.iterator(); it
                                .hasNext();) {
                        ModularDistribution md = it.next();
-                       String moduleBase = baseUrl + md.getName() + "/" + md.getVersion()
-                                       + "/";
-                       ModularDistributionDescriptor mdd = new ModularDistributionDescriptor();
-                       mdd.setName(md.getName());
-                       mdd.setVersion(md.getVersion());
-
-                       mdd.getModulesDescriptors().put("modularDistribution",
-                                       moduleBase + "modularDistribution");
-                       mdd.getModulesDescriptors().put("eclipse", moduleBase + "site.xml");
+                       ModularDistributionDescriptor mdd = fromNameVersion(baseUrl, md);
 
-                       ol.getObjects().add(mdd);
+                       descriptors.add(mdd);
+                       names.add(mdd.getName());
+                       if (!md.getVersion().contains(BuildConstants.SNAPSHOT))
+                               namesRelease.add(mdd.getName());
                }
 
-               modelAndView.addObject(ol);
+               // Add LATESTs and RELEASEs
+               for (String name : names)
+                       descriptors.add(fromNameVersion(baseUrl, new BasicNameVersion(name,
+                                       BuildConstants.LATEST)));
+               for (String name : namesRelease)
+                       descriptors.add(fromNameVersion(baseUrl, new BasicNameVersion(name,
+                                       BuildConstants.RELEASE)));
+
+               modelAndView.addObject(new ObjectList(descriptors));
        }
 
        public void setModularDistributions(
@@ -51,4 +85,54 @@ public class ListModularDistributions extends AbstractServiceController {
                this.modularDistributions = modularDistributions;
        }
 
+       public void setProvisioningServletPath(String provisioningServletPath) {
+               this.provisioningServletPath = provisioningServletPath;
+       }
+
+       protected ModularDistributionDescriptor fromNameVersion(String baseUrl,
+                       NameVersion md) {
+               String moduleBase = baseUrl + md.getName() + "/" + md.getVersion()
+                               + "/";
+               ModularDistributionDescriptor mdd = new ModularDistributionDescriptor();
+               mdd.setName(md.getName());
+               mdd.setVersion(md.getVersion());
+
+               mdd.getModulesDescriptors().put("modularDistribution",
+                               moduleBase + "modularDistribution");
+               mdd.getModulesDescriptors().put("eclipse", moduleBase + "site.xml");
+               return mdd;
+
+       }
+
+       /** RELEASEs first, then LATESTs, then version */
+       public int compare(ModularDistributionDescriptor mdd1,
+                       ModularDistributionDescriptor mdd2) {
+               final int BEFORE = -1;
+               final int AFTER = 1;
+
+               String n1 = mdd1.getName();
+               String v1 = mdd1.getVersion();
+               String n2 = mdd2.getName();
+               String v2 = mdd2.getVersion();
+
+               if (v1.equals(BuildConstants.RELEASE))
+                       if (v2.equals(BuildConstants.RELEASE))
+                               return n1.compareTo(n2);
+                       else
+                               return BEFORE;
+               else if (v2.equals(BuildConstants.RELEASE))
+                       return AFTER;// we know 1 not RELEASE
+               else if (v1.equals(BuildConstants.LATEST))
+                       if (v2.equals(BuildConstants.LATEST))
+                               return n1.compareTo(n2);
+                       else
+                               return BEFORE;
+               else if (v2.equals(BuildConstants.LATEST))
+                       return AFTER;// we know 1 not LATEST or RELEASE
+               else if (n1.equals(n2))
+                       return v1.compareTo(v2);
+               else
+                       return n1.compareTo(n2);
+       }
+
 }