Fixes #30: support object field

lightblue-ldap-common/src/main/java/com/redhat/lightblue/common/ldap/LdapErrorCode.java

@@ -0,0 +1,36 @@
+/*
+ Copyright 2015 Red Hat, Inc. and/or its affiliates.
+
+ This file is part of lightblue.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.redhat.lightblue.common.ldap;
+
+/**
+ * Error codes specific to LDAP
+ *
+ * @author dcrissman
+ */
+public final class LdapErrorCode {
+
+    /** An unsupported feature was used. */
+    public static final String ERR_UNSUPPORTED_FEATURE = "ldap:UnsupportedFeature:";
+
+    /** Lightblue-Ldap does not currently support object arrays. This error indicates that such a field was used. */
+    public static final String ERR_UNSUPPORTED_FEATURE_OBJECT_ARRAY = ERR_UNSUPPORTED_FEATURE + "ObjectArray";
+
+    private LdapErrorCode(){}
+
+}

lightblue-ldap-common/src/main/java/com/redhat/lightblue/common/ldap/LdapFieldNameTranslator.java

@@ -18,6 +18,8 @@
  */
 package com.redhat.lightblue.common.ldap;
 
+import com.redhat.lightblue.util.Path;
+
 /**
  * Represents a class that can translate back and forth between a fieldName and an LDAP attributeName.
  *
@@ -30,13 +32,13 @@ public interface LdapFieldNameTranslator {
      * @param fieldName - metadata field name
      * @return ldap attributeName or the fieldName back at you if no mapping is present.
      */
-    public String translateFieldName(String fieldName);
+    public String translateFieldName(Path path);
 
     /**
      * Returns the fieldName with the given attributeName.
      * @param attributeName - ldap attribute name
      * @return metadata fieldName or the attributeName back at you if no mapping is present.
      */
-    public String translateAttributeName(String attributeName);
+    public Path translateAttributeName(String attributeName);
 
 }

lightblue-ldap-crud/src/main/java/com/redhat/lightblue/crud/ldap/EntryBuilder.java

@@ -24,19 +24,20 @@
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.redhat.lightblue.common.ldap.LdapConstant;
+import com.redhat.lightblue.common.ldap.LdapErrorCode;
 import com.redhat.lightblue.common.ldap.LdapFieldNameTranslator;
 import com.redhat.lightblue.common.ldap.LightblueUtil;
 import com.redhat.lightblue.metadata.ArrayElement;
 import com.redhat.lightblue.metadata.ArrayField;
 import com.redhat.lightblue.metadata.EntityMetadata;
-import com.redhat.lightblue.metadata.ObjectField;
+import com.redhat.lightblue.metadata.MetadataConstants;
 import com.redhat.lightblue.metadata.SimpleField;
 import com.redhat.lightblue.metadata.Type;
 import com.redhat.lightblue.metadata.types.BinaryType;
 import com.redhat.lightblue.metadata.types.DateType;
+import com.redhat.lightblue.util.Error;
 import com.redhat.lightblue.util.JsonDoc;
 import com.redhat.lightblue.util.JsonNodeCursor;
-import com.redhat.lightblue.util.Path;
 import com.unboundid.ldap.sdk.Entry;
 import com.unboundid.util.StaticUtils;
 
@@ -55,9 +56,17 @@ public EntryBuilder(EntityMetadata md, LdapFieldNameTranslator fieldNameTranslat
     }
 
     public Entry build(String dn, JsonDoc document){
-        Entry entry = new Entry(dn);
-        translate(document, entry);
-        return entry;
+        Error.push("build entry");
+        Error.push(LdapConstant.ATTRIBUTE_DN + "=" + dn);
+        try{
+            Entry entry = new Entry(dn);
+            translate(document, entry);
+            return entry;
+        }
+        finally{
+            Error.pop();
+            Error.pop();
+        }
     }
 
     @Override
@@ -74,13 +83,12 @@ else if(type instanceof BinaryType){
     }
 
     @Override
-    protected void translate(SimpleField field, Path path, JsonNode node, Entry target) {
-        String attributeName = fieldNameTranslator.translateFieldName(field.getName());
+    protected void translate(SimpleField field, JsonNode node, Entry target) {
+        String attributeName = fieldNameTranslator.translateFieldName(field.getFullPath());
 
         if(LdapConstant.ATTRIBUTE_DN.equalsIgnoreCase(attributeName)){
-            throw new IllegalArgumentException(
-                    "'dn' should not be included as it's value will be derived from the metadata.basedn and" +
-                    " the metadata.uniqueattr. Including the 'dn' as an insert attribute is confusing.");
+            //DN is derived using metadata.uniqueattr, providing it is confusing.
+            throw Error.get(MetadataConstants.ERR_INVALID_FIELD_REFERENCE, LdapConstant.ATTRIBUTE_DN);
         }
         else if(LightblueUtil.isFieldObjectType(attributeName)
                 || LightblueUtil.isFieldAnArrayCount(attributeName, getEntityMetadata().getFields())){
@@ -102,15 +110,10 @@ else if(LightblueUtil.isFieldObjectType(attributeName)
     }
 
     @Override
-    protected void translate(ObjectField field, Path path, JsonNode node, Entry target) {
-        throw new UnsupportedOperationException("ObjectField type is not currently supported.");
-    }
-
-    @Override
-    protected void translateSimpleArray(ArrayField field, Path path, List<Object> items, Entry target) {
+    protected void translateSimpleArray(ArrayField field, List<Object> items, Entry target) {
         ArrayElement arrayElement = field.getElement();
         Type arrayElementType = arrayElement.getType();
-        String attributeName = fieldNameTranslator.translateFieldName(field.getName());
+        String attributeName = fieldNameTranslator.translateFieldName(field.getFullPath());
 
         if(arrayElementType instanceof BinaryType){
             List<byte[]> bytes = new ArrayList<byte[]>();
@@ -130,7 +133,7 @@ protected void translateSimpleArray(ArrayField field, Path path, List<Object> it
 
     @Override
     protected void translateObjectArray(ArrayField field, JsonNodeCursor cursor, Entry target) {
-        throw new UnsupportedOperationException("Object ArrayField type is not currently supported.");
+        throw Error.get(LdapErrorCode.ERR_UNSUPPORTED_FEATURE_OBJECT_ARRAY, field.getFullPath().toString());
     }
 
 }