diff options
Diffstat (limited to 'source/com/c2kernel/lookup/EntityPath.java')
| -rwxr-xr-x | source/com/c2kernel/lookup/EntityPath.java | 172 |
1 files changed, 172 insertions, 0 deletions
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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