From 254ee6f47eebfc00462c10756a92066e82cc1a96 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew@andrewbranson.net>
Date: Tue, 21 Jun 2011 15:46:02 +0200
Subject: Initial commit

---
 source/com/c2kernel/lookup/EntityPath.java | 172 +++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100755 source/com/c2kernel/lookup/EntityPath.java

(limited to 'source/com/c2kernel/lookup/EntityPath.java')

diff --git a/source/com/c2kernel/lookup/EntityPath.java b/source/com/c2kernel/lookup/EntityPath.java
new file mode 100755
index 0000000..079f171
--- /dev/null
+++ b/source/com/c2kernel/lookup/EntityPath.java
@@ -0,0 +1,172 @@
+/**************************************************************************
+ * EntityPath.java
+ *
+ * $Revision: 1.14 $
+ * $Date: 2006/03/03 13:52:21 $
+ *
+ * Copyright (C) 2001 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+
+package com.c2kernel.lookup;
+
+import java.util.ArrayList;
+
+import com.c2kernel.common.ObjectCannotBeUpdated;
+import com.c2kernel.common.ObjectNotFoundException;
+import com.c2kernel.process.Gateway;
+import com.novell.ldap.LDAPAttribute;
+import com.novell.ldap.LDAPAttributeSet;
+
+
+/**
+* Extends Path to enforce SystemKey structure and support int form
+*
+* @version $Revision: 1.14 $ $Date: 2006/03/03 13:52:21 $
+* @author  $Author: abranson $
+**/
+public class EntityPath extends Path
+{
+    // no of components in a syskey
+    public static final int elementNo = 3;
+    // no of digits in a syskey component
+    public static final int elementLen = 3;
+    // maximum possible int syskey
+    public static final int maxSysKey = (int)Math.pow(10, elementNo*elementLen)-1;
+    protected static String mTypeRoot;
+    /*
+     * From syskey int
+     * Note no EntityPath constructors allow setting of CONTEXT or ENTITY:
+     * The object decides that for itself from the number of components
+     */
+    
+    public EntityPath(int syskey) throws InvalidEntityPathException {
+        super();
+        setSysKey(syskey);
+    }
+    
+    /*
+    */
+    public EntityPath()
+    {
+        super();
+    }
+
+
+    /*
+    */
+    public EntityPath(String[] path) throws InvalidEntityPathException 
+    {
+        super(path, Path.CONTEXT); // dummy - it will get replaced in checkSysPath()        
+        checkSysPath();
+    }
+
+    /*
+    */
+    public EntityPath(String path) throws InvalidEntityPathException 
+    {
+        super(path, Path.CONTEXT);
+        checkSysPath();
+    }
+
+    /*
+    */
+    public EntityPath(EntityPath parent, String child) throws InvalidEntityPathException {
+        super(parent, child);
+        checkSysPath();
+    }
+    
+    // EntityPaths root in /entity
+    public String getRoot() {
+        return "entity";
+    }
+    
+    public EntityPath getEntity() throws ObjectNotFoundException {
+        return this;
+    }
+    
+    public byte[] getOID() {
+        if (mSysKey == Path.INVALID) return null;
+        return String.valueOf(mSysKey).getBytes();
+    }
+
+    /*************************************************************************/
+    
+    /** Returns int form of syskey (if possible)
+    */
+    public int getSysKey() {
+        if (mSysKey == Path.INVALID && mType == Path.ENTITY) 
+            try {
+                if (mPath.length != elementNo)
+                    throw new InvalidEntityPathException("Incorrect number of components for a system key");
+                mSysKey = 0;
+                for (int i=0; i<mPath.length;i++) {
+                    String keypart = mPath[i];
+                    if (keypart.length()!=elementLen+1)
+                        throw new InvalidEntityPathException("Component '"+keypart+"' is not the correct size for a system key");
+                    for(int j=1; j<elementLen+1; j++) // skip the 'd' prefix
+                    {
+                        char c = keypart.charAt(j);
+                        if((c >= '0') && (c <='9'))
+                            mSysKey = mSysKey*10 + c - '0';
+                        else
+                            throw new InvalidEntityPathException("Component '"+keypart+"' contained a non-numeric char (excluding first char 'd').");
+
+                    }
+                }
+            } catch (InvalidEntityPathException ex) {
+                mSysKey = Path.INVALID;
+            }
+        return mSysKey;
+    }
+    
+    /** Sets path from int syskey
+    */
+    public void setSysKey(int sysKey) throws InvalidEntityPathException
+    {
+        if (sysKey < 0 || sysKey > maxSysKey) 
+            throw new InvalidEntityPathException("System key "+sysKey+" out of range");
+        String stringPath = Integer.toString(sysKey);
+        ArrayList newKey = new ArrayList();
+        for (int i=0; i<elementNo; i++) {
+            StringBuffer nextComponent = new StringBuffer("d");
+            int start = stringPath.length()-elementLen;
+            if (start < 0) {
+                nextComponent.append("000000".substring(0,Math.abs(start))).append(stringPath);
+                stringPath = "";
+            }
+            else {
+                nextComponent.append(stringPath.substring(start));
+                stringPath = stringPath.substring(0, start);
+            }
+            newKey.add(0, nextComponent.toString());
+        }
+
+        mPath = (String[])(newKey.toArray(mPath));
+        mSysKey = sysKey;
+        mStringPath = null;
+        mDN = null;    
+        mType = Path.ENTITY;
+        checkSysPath();
+    }    
+
+    public void checkSysPath() throws InvalidEntityPathException {
+        if (mPath.length > elementNo)
+            throw new InvalidEntityPathException("EntityPath cannot have more than "+elementNo+" components: "+toString());
+        if (mPath.length == elementNo) 
+            mType = Path.ENTITY;
+        else
+            mType = Path.CONTEXT;
+    }
+
+    public LDAPAttributeSet createAttributeSet() throws ObjectCannotBeUpdated {
+        LDAPAttributeSet attrs = new LDAPAttributeSet();        
+        attrs.add(new LDAPAttribute("objectclass","cristalentity"));
+        attrs.add(new LDAPAttribute("intsyskey",Integer.toString(mSysKey)));
+        attrs.add(new LDAPAttribute("cn", getPath()[getPath().length-1]));
+        if (mIOR != null)
+            attrs.add(new LDAPAttribute("ior", Gateway.getORB().object_to_string(mIOR)));
+        return attrs;
+    }      
+}
+
-- 
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