/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* This file is part of Structr <http://structr.org>.
*
* Structr 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.
*
* Structr 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 Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.rest.resource;
import org.structr.core.Result;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.structr.core.property.PropertyKey;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.core.GraphObject;
import org.structr.schema.SchemaHelper;
import org.structr.rest.RestMethodResult;
import org.structr.rest.exception.IllegalMethodException;
import org.structr.rest.exception.NotFoundException;
/**
* Represents a type-constrained ID match. A TypedIdResource will always
* result in a single element.
*
* @author Christian Morgner
*/
public class TypedIdResource extends FilterableResource {
protected TypeResource typeResource = null;
protected UuidResource idResource = null;
protected TypedIdResource(SecurityContext securityContext) {
this.securityContext = securityContext;
// empty protected constructor
}
public TypedIdResource(SecurityContext securityContext, UuidResource idResource, TypeResource typeResource) {
this.securityContext = securityContext;
this.typeResource = typeResource;
this.idResource = idResource;
}
@Override
public boolean checkAndConfigure(String part, SecurityContext securityContext, HttpServletRequest request) throws FrameworkException {
return false; // we will not accept URI parts directly
}
@Override
public Result doGet(PropertyKey sortKey, boolean sortDescending, int pageSize, int page, String offsetId) throws FrameworkException {
return new Result(getEntity(), isPrimitiveArray());
}
@Override
public RestMethodResult doPost(Map<String, Object> propertySet) throws FrameworkException {
throw new IllegalMethodException();
}
@Override
public Class getEntityClass() {
return typeResource.getEntityClass();
}
public TypeResource getTypeResource() {
return typeResource;
}
public UuidResource getIdResource() {
return idResource;
}
@Override
public Resource tryCombineWith(Resource next) throws FrameworkException {
if (next instanceof TypeResource) {
// next constraint is a type constraint
// => follow predefined statc relationship
// between the two types
StaticRelationshipResource resource = new StaticRelationshipResource(securityContext, this, (TypeResource)next);
resource.configureIdProperty(idProperty);
return resource;
} else if (next instanceof RelationshipResource) {
// make rel constraint wrap this
((RelationshipResource)next).wrapResource(this);
return next;
}
return super.tryCombineWith(next);
}
@Override
public String getUriPart() {
return typeResource.getUriPart().concat("/").concat(idResource.getUriPart());
}
@Override
public String getResourceSignature() {
return typeResource.getResourceSignature();
}
@Override
public boolean isCollectionResource() {
return false;
}
// ----- public methods -----
public GraphObject getEntity() throws FrameworkException {
GraphObject entity = idResource.getEntity();
String type = SchemaHelper.normalizeEntityName(typeResource.getRawType());
Class parentClass = SchemaHelper.getEntityClassForRawType(type);
Class entityClass = entity.getClass();
if (parentClass.isAssignableFrom(entityClass)) {
return entity;
}
throw new NotFoundException();
}
}