add support for change list documents

Author: richard-jones

src/main/java/org/openarchives/resourcesync/ChangeList.java

@@ -0,0 +1,38 @@
+package org.openarchives.resourcesync;
+
+import java.util.Date;
+
+public class ChangeList extends UrlSet
+{
+    public ChangeList(Date lastMod)
+    {
+        this(lastMod, null);
+    }
+
+    public ChangeList(Date lastMod, String capabilityList)
+    {
+        super();
+        this.capability = ResourceSync.CAPABILITY_CHANGELIST;
+        this.setLastModified(lastMod);
+
+        if (capabilityList != null)
+        {
+            this.addLn(ResourceSync.REL_RESOURCESYNC, capabilityList);
+        }
+    }
+
+    public void addChange(URL change)
+    {
+        this.addUrl(change);
+    }
+
+    public URL addChange(String loc, Date lastMod, String change)
+    {
+        URL url = new URL();
+        url.setLoc(loc);
+        url.setLastModified(lastMod);
+        url.setChange(change);
+        this.addChange(url);
+        return url;
+    }
+}

src/main/java/org/openarchives/resourcesync/ChangeListArchive.java

@@ -16,6 +16,7 @@ public ChangeListArchive(Date lastMod)
 
     public ChangeListArchive(Date lastMod, String capabilityList)
     {
+        super();
         this.capability = ResourceSync.CAPABILITY_CHANGELIST;
 
         if (lastMod != null)

src/test/java/org/openarchives/resourcesync/test/TestChangeList.java

@@ -0,0 +1,92 @@
+package org.openarchives.resourcesync.test;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+import org.openarchives.resourcesync.ChangeList;
+import org.openarchives.resourcesync.ResourceSync;
+import org.openarchives.resourcesync.ResourceSyncEntry;
+import org.openarchives.resourcesync.ResourceSyncLn;
+import org.openarchives.resourcesync.URL;
+
+import java.util.Date;
+import java.util.List;
+
+@RunWith(JUnit4.class)
+public class TestChangeList
+{
+    @Test
+    public void simpleConstructor()
+    {
+        Date now = new Date();
+        ChangeList cl = new ChangeList(now);
+
+        assert cl.getCapability().equals(ResourceSync.CAPABILITY_CHANGELIST);
+        assert cl.getLastModified().getTime() >= now.getTime();
+
+        List<ResourceSyncLn> lns = cl.getLns();
+        assert lns.size() == 0;
+    }
+
+    @Test
+    public void construction()
+    {
+        Date now = new Date();
+        ChangeList cl = new ChangeList(now, "http://capabilitylist");
+
+        assert cl.getCapability().equals(ResourceSync.CAPABILITY_CHANGELIST);
+        assert cl.getLastModified().equals(now);
+
+        List<ResourceSyncLn> lns = cl.getLns();
+        assert lns.size() == 1;
+    }
+
+    @Test
+    public void methods()
+    {
+        Date now = new Date();
+        ChangeList cl = new ChangeList(now);
+
+        URL change = new URL();
+        change.setLoc("http://change1");
+        change.setChange(ResourceSync.CHANGE_UPDATED);
+        change.setLastModified(now);
+        cl.addChange(change);
+
+        URL c2 = cl.addChange("http://change2", now, ResourceSync.CHANGE_DELETED);
+        c2.setType("application/pdf");
+
+        List<ResourceSyncEntry> urls = cl.getUrls();
+        boolean change1 = false;
+        boolean change2 = false;
+        for (ResourceSyncEntry url : urls)
+        {
+            if (url.getLoc().equals("http://change1"))
+            {
+                assert url.getChange().equals(ResourceSync.CHANGE_UPDATED);
+                assert url.getLastModified().equals(now);
+                change1 = true;
+            }
+            if (url.getLoc().equals("http://change2"))
+            {
+                assert url.getChange().equals(ResourceSync.CHANGE_DELETED);
+                assert url.getLastModified().equals(now);
+                assert url.getType().equals("application/pdf");
+                change2 = true;
+            }
+        }
+        assert change1;
+        assert change2;
+    }
+
+    @Test
+    public void manualCheck()
+    {
+        ChangeList cl = new ChangeList(new Date());
+        cl.addChange("http://change1", new Date(), ResourceSync.CHANGE_CREATED);
+        cl.addChange("http://change2", new Date(), ResourceSync.CHANGE_UPDATED);
+        cl.addChange("http://change3", new Date(), ResourceSync.CHANGE_CREATED);
+        cl.addChange("http://change1", new Date(), ResourceSync.CHANGE_UPDATED);
+        System.out.println(cl.serialise());
+    }
+}