/*
* Copyright 2003-2010 Tufts University Licensed under the
* Educational Community License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.osedu.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS IS"
* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package edu.tufts.osidimpl.repository.google.global;
import com.google.soap.search.*;
public class Repository
implements org.osid.repository.Repository
{
private org.osid.shared.Id repositoryId = null;
private org.osid.shared.Type repositoryType = null;
private org.osid.shared.Type assetType = new Type("com.google","asset","googleResult");
private String displayName = null;
private String description = null;
private java.util.Vector searchTypeVector = null;
private String googleKey = null;
protected Repository(String displayName,
String description,
org.osid.shared.Id repositoryId,
org.osid.shared.Type repositoryType,
java.util.Vector searchTypeVector)
throws org.osid.repository.RepositoryException
{
this.displayName = displayName;
this.description = description;
this.repositoryId = repositoryId;
this.repositoryType = repositoryType;
this.searchTypeVector = searchTypeVector;
}
// not in OSID
protected void setGoogleKey(String key)
{
this.googleKey = key;
}
public String getDisplayName()
throws org.osid.repository.RepositoryException
{
return this.displayName;
}
public void updateDisplayName(String displayName)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public String getDescription()
throws org.osid.repository.RepositoryException
{
return this.description;
}
public void updateDescription(String description)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.shared.Id getId()
throws org.osid.repository.RepositoryException
{
return this.repositoryId;
}
public org.osid.shared.Type getType()
throws org.osid.repository.RepositoryException
{
return this.repositoryType;
}
public org.osid.repository.Asset createAsset(String displayName
, String description
, org.osid.shared.Type assetType)
throws org.osid.repository.RepositoryException
{
if ( (displayName == null ) || (description == null) || (assetType == null) )
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
if (!assetType.isEqual(this.assetType))
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.UNKNOWN_TYPE);
}
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public void deleteAsset(org.osid.shared.Id assetId)
throws org.osid.repository.RepositoryException
{
if (assetId == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.repository.AssetIterator getAssets()
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.repository.AssetIterator getAssetsByType(org.osid.shared.Type assetType)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.shared.TypeIterator getAssetTypes()
throws org.osid.repository.RepositoryException
{
java.util.Vector results = new java.util.Vector();
try
{
results.addElement(this.assetType);
return new TypeIterator(results);
}
catch (Throwable t)
{
Utilities.log(t.getMessage());
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
}
public org.osid.repository.RecordStructureIterator getRecordStructures()
throws org.osid.repository.RepositoryException
{
java.util.Vector results = new java.util.Vector();
results.addElement(RecordStructure.getInstance());
return new RecordStructureIterator(results);
}
public org.osid.repository.RecordStructureIterator getMandatoryRecordStructures(org.osid.shared.Type assetType)
throws org.osid.repository.RepositoryException
{
if (assetType == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
if (assetType.isEqual(this.assetType))
{
java.util.Vector results = new java.util.Vector();
results.addElement(RecordStructure.getInstance());
return new RecordStructureIterator(results);
}
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.UNKNOWN_TYPE);
}
public org.osid.shared.TypeIterator getSearchTypes()
throws org.osid.repository.RepositoryException
{
java.util.Vector results = new java.util.Vector();
try
{
return new TypeIterator(this.searchTypeVector);
}
catch (Throwable t)
{
Utilities.log(t.getMessage());
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
}
public org.osid.shared.TypeIterator getStatusTypes()
throws org.osid.repository.RepositoryException
{
java.util.Vector results = new java.util.Vector();
try
{
results.addElement(new Type("mit.edu","asset","valid"));
return new TypeIterator(results);
}
catch (Throwable t)
{
Utilities.log(t.getMessage());
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
}
public org.osid.shared.Type getStatus(org.osid.shared.Id assetId)
throws org.osid.repository.RepositoryException
{
return new Type("mit.edu","asset","valid");
}
public boolean validateAsset(org.osid.shared.Id assetId)
throws org.osid.repository.RepositoryException
{
return true;
}
public void invalidateAsset(org.osid.shared.Id assetId)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.repository.Asset getAsset(org.osid.shared.Id assetId)
throws org.osid.repository.RepositoryException
{
if (assetId == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.repository.Asset getAssetByDate(org.osid.shared.Id assetId
, long date)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.shared.LongValueIterator getAssetDates(org.osid.shared.Id assetId)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.repository.AssetIterator getAssetsBySearch(java.io.Serializable searchCriteria
, org.osid.shared.Type searchType
, org.osid.shared.Properties searchProperties)
throws org.osid.repository.RepositoryException
{
if (searchCriteria == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
if (searchType == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
if (!(searchCriteria instanceof String))
{
// maybe change this to a new exception message
Utilities.log("invalid criteria");
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
boolean knownType = false;
for (int searchTypeNum = 0, size = this.searchTypeVector.size(); searchTypeNum < size; searchTypeNum++)
{
org.osid.shared.Type type = (org.osid.shared.Type)(this.searchTypeVector.elementAt(searchTypeNum));
if (type.isEqual(searchType))
{
knownType = true;
}
}
if (!knownType) {
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.UNKNOWN_TYPE);
}
if (this.googleKey == null) {
throw new org.osid.repository.RepositoryException(org.osid.OsidException.PERMISSION_DENIED);
}
String criteria = ((String)searchCriteria);
java.util.Vector result = new java.util.Vector();
try
{
Utilities.log("Google key is " + this.googleKey);
GoogleSearch search = new GoogleSearch();
search.setKey(this.googleKey);
search.setQueryString(criteria);
GoogleSearchResult searchResult = search.doSearch();
GoogleSearchResultElement elements[] = searchResult.getResultElements();
for(int i=0; i < elements.length; i++) {
result.addElement(new Asset(elements[i].getTitle().replaceAll("</*[a-zA-Z]>",""),
elements[i].getSnippet(),
elements[i].getURL(),
this.repositoryId));
}
return new AssetIterator(result);
}
catch (Throwable t)
{
Utilities.log(t);
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
}
public org.osid.shared.Id copyAsset(org.osid.repository.Asset asset)
throws org.osid.repository.RepositoryException
{
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public org.osid.repository.RecordStructureIterator getRecordStructuresByType(org.osid.shared.Type recordStructureType)
throws org.osid.repository.RepositoryException
{
if (recordStructureType == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
if (recordStructureType.isEqual(new Type("edu.tufts","recordStructure","artifact")))
{
java.util.Vector results = new java.util.Vector();
results.addElement(RecordStructure.getInstance());
return new RecordStructureIterator(results);
}
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.UNKNOWN_TYPE);
}
public org.osid.shared.PropertiesIterator getProperties()
throws org.osid.repository.RepositoryException
{
try
{
return new PropertiesIterator(new java.util.Vector());
}
catch (Throwable t)
{
Utilities.log(t.getMessage());
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
}
public org.osid.shared.Properties getPropertiesByType(org.osid.shared.Type propertiesType)
throws org.osid.repository.RepositoryException
{
if (propertiesType == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
return new Properties();
}
public org.osid.shared.TypeIterator getPropertyTypes()
throws org.osid.repository.RepositoryException
{
try
{
return new TypeIterator(new java.util.Vector());
}
catch (Throwable t)
{
Utilities.log(t.getMessage());
throw new org.osid.repository.RepositoryException(org.osid.OsidException.OPERATION_FAILED);
}
}
protected void addAsset(org.osid.repository.Asset asset)
throws org.osid.repository.RepositoryException
{
if (asset == null)
{
throw new org.osid.repository.RepositoryException(org.osid.shared.SharedException.NULL_ARGUMENT);
}
throw new org.osid.repository.RepositoryException(org.osid.OsidException.UNIMPLEMENTED);
}
public boolean supportsUpdate()
throws org.osid.repository.RepositoryException
{
return false;
}
public boolean supportsVersioning()
throws org.osid.repository.RepositoryException
{
return false;
}
}