X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FACommentMetadata.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FACommentMetadata.java;h=57ee0b2f3e5c9618a41f0ed39c091f232837ef92;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/ACommentMetadata.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/ACommentMetadata.java
new file mode 100644
index 000000000..57ee0b2f3
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/ACommentMetadata.java
@@ -0,0 +1,75 @@
+package org.simantics.db.common;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.TreeMap;
+
+import org.simantics.db.Metadata;
+import org.simantics.db.Session;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.common.utils.Serializers;
+
+public abstract class ACommentMetadata implements Metadata {
+    final boolean DEBUG = true;
+    protected ArrayList<String> comments = new ArrayList<String>();
+    public ACommentMetadata(TreeMap<String, byte[]> metadata) {
+        if (null != metadata) {
+            byte[] data = metadata.get(ACommentMetadata.class.getName());
+            initialize(data);
+        }
+    }
+
+    public ACommentMetadata(byte[] data) {
+        initialize(data);
+    }
+
+    private void initialize(byte[] data) {
+        if (null != data) {
+            try {
+                String[] strings = Serializers.deserializeStrings(data);
+                for (String s : strings)
+                    comments.add(s);
+            } catch (Exception e) {
+                Logger.defaultLogError(e);
+            }
+        }
+    }
+
+    public ACommentMetadata add(String string) {
+        comments.add(string);
+        return this;
+    }
+    
+    public int size() {
+    	return comments.size();
+    }
+
+    public ACommentMetadata add(ACommentMetadata cm) {
+        if (null == cm)
+            return this;
+        comments.addAll(cm.comments);
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        String t = "";
+        int size = comments.size();
+        Iterator<String> it = comments.iterator();
+        for (int i=0; i<size; ++i)
+            t += it.next() + "\n";
+        return t;
+    }
+    
+    @Override
+    public byte[] serialise(Session session) {
+        try {
+            return Serializers.serializeStrings(comments.toArray(new String[comments.size()]));
+        } catch (Exception e) {
+            if (DEBUG)
+                e.printStackTrace();
+            Logger.defaultLogError(e.toString());
+        }
+        return new byte[0];
+    }
+}