/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache 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.apache.org/licenses/LICENSE-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 org.apache.syncope.core.rest.controller;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.EntityExistsException;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.syncope.common.to.AbstractSchemaTO;
import org.apache.syncope.common.to.DerSchemaTO;
import org.apache.syncope.common.to.SchemaTO;
import org.apache.syncope.common.to.VirSchemaTO;
import org.apache.syncope.common.types.AttributableType;
import org.apache.syncope.common.types.ClientExceptionType;
import org.apache.syncope.common.types.SchemaType;
import org.apache.syncope.common.SyncopeClientException;
import org.apache.syncope.core.persistence.beans.AbstractDerSchema;
import org.apache.syncope.core.persistence.beans.AbstractNormalSchema;
import org.apache.syncope.core.persistence.beans.AbstractVirSchema;
import org.apache.syncope.core.persistence.dao.DerSchemaDAO;
import org.apache.syncope.core.persistence.dao.NotFoundException;
import org.apache.syncope.core.persistence.dao.SchemaDAO;
import org.apache.syncope.core.persistence.dao.VirSchemaDAO;
import org.apache.syncope.core.rest.data.SchemaDataBinder;
import org.apache.syncope.core.util.AttributableUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Component;
@Component
public class SchemaController extends AbstractTransactionalController<SchemaTO> {
@Autowired
private SchemaDAO schemaDAO;
@Autowired
private DerSchemaDAO derSchemaDAO;
@Autowired
private VirSchemaDAO virSchemaDAO;
@Autowired
private SchemaDataBinder binder;
private boolean doesSchemaExist(final SchemaType schemaType, final String name, final AttributableUtil attrUtil) {
boolean found;
switch (schemaType) {
case VIRTUAL:
found = virSchemaDAO.find(name, attrUtil.virSchemaClass()) != null;
break;
case DERIVED:
found = derSchemaDAO.find(name, attrUtil.derSchemaClass()) != null;
break;
case NORMAL:
found = schemaDAO.find(name, attrUtil.schemaClass()) != null;
break;
default:
found = false;
}
return found;
}
@PreAuthorize("hasRole('SCHEMA_CREATE')")
@SuppressWarnings("unchecked")
public <T extends AbstractSchemaTO> T create(final AttributableType attrType, final SchemaType schemaType,
final T schemaTO) {
if (StringUtils.isBlank(schemaTO.getName())) {
SyncopeClientException sce = SyncopeClientException.build(ClientExceptionType.RequiredValuesMissing);
sce.getElements().add("Schema name");
throw sce;
}
final AttributableUtil attrUtil = AttributableUtil.getInstance(attrType);
if (doesSchemaExist(schemaType, schemaTO.getName(), attrUtil)) {
throw new EntityExistsException(schemaType + "/" + attrType + "/" + schemaTO.getName());
}
T created;
switch (schemaType) {
case VIRTUAL:
AbstractVirSchema virSchema = attrUtil.newVirSchema();
binder.create((VirSchemaTO) schemaTO, virSchema);
virSchema = virSchemaDAO.save(virSchema);
created = (T) binder.getVirSchemaTO(virSchema);
break;
case DERIVED:
AbstractDerSchema derSchema = attrUtil.newDerSchema();
binder.create((DerSchemaTO) schemaTO, derSchema);
derSchema = derSchemaDAO.save(derSchema);
created = (T) binder.getDerSchemaTO(derSchema);
break;
case NORMAL:
default:
AbstractNormalSchema normalSchema = attrUtil.newSchema();
binder.create((SchemaTO) schemaTO, normalSchema);
normalSchema = schemaDAO.save(normalSchema);
created = (T) binder.getSchemaTO(normalSchema, attrUtil);
}
return created;
}
@PreAuthorize("hasRole('SCHEMA_DELETE')")
public void delete(final AttributableType attrType, final SchemaType schemaType, final String schemaName) {
final AttributableUtil attrUtil = AttributableUtil.getInstance(attrType);
if (!doesSchemaExist(schemaType, schemaName, attrUtil)) {
throw new NotFoundException(schemaType + "/" + attrType + "/" + schemaName);
}
switch (schemaType) {
case VIRTUAL:
virSchemaDAO.delete(schemaName, attrUtil);
break;
case DERIVED:
derSchemaDAO.delete(schemaName, attrUtil);
break;
case NORMAL:
default:
schemaDAO.delete(schemaName, attrUtil);
}
}
@PreAuthorize("isAuthenticated()")
@SuppressWarnings("unchecked")
public <T extends AbstractSchemaTO> List<T> list(final AttributableType attrType, final SchemaType schemaType) {
final AttributableUtil attrUtil = AttributableUtil.getInstance(attrType);
List<T> result;
switch (schemaType) {
case VIRTUAL:
List<AbstractVirSchema> virSchemas = virSchemaDAO.findAll(attrUtil.virSchemaClass());
result = (List<T>) new ArrayList<VirSchemaTO>(virSchemas.size());
for (AbstractVirSchema derSchema : virSchemas) {
result.add((T) binder.getVirSchemaTO(derSchema));
}
break;
case DERIVED:
List<AbstractDerSchema> derSchemas = derSchemaDAO.findAll(attrUtil.derSchemaClass());
result = (List<T>) new ArrayList<DerSchemaTO>(derSchemas.size());
for (AbstractDerSchema derSchema : derSchemas) {
result.add((T) binder.getDerSchemaTO(derSchema));
}
break;
case NORMAL:
default:
List<AbstractNormalSchema> schemas = schemaDAO.findAll(attrUtil.schemaClass());
result = (List<T>) new ArrayList<SchemaTO>(schemas.size());
for (AbstractNormalSchema schema : schemas) {
result.add((T) binder.getSchemaTO(schema, attrUtil));
}
}
return result;
}
@PreAuthorize("hasRole('SCHEMA_READ')")
@SuppressWarnings("unchecked")
public <T extends AbstractSchemaTO> T read(
final AttributableType attrType, final SchemaType schemaType, final String schemaName) {
final AttributableUtil attrUtil = AttributableUtil.getInstance(attrType);
T read;
switch (schemaType) {
case VIRTUAL:
AbstractVirSchema virSchema = virSchemaDAO.find(schemaName, attrUtil.virSchemaClass());
if (virSchema == null) {
throw new NotFoundException("Virtual Schema '" + schemaName + "'");
}
read = (T) binder.getVirSchemaTO(virSchema);
break;
case DERIVED:
AbstractDerSchema derSchema = derSchemaDAO.find(schemaName, attrUtil.derSchemaClass());
if (derSchema == null) {
throw new NotFoundException("Derived schema '" + schemaName + "'");
}
read = (T) binder.getDerSchemaTO(derSchema);
break;
case NORMAL:
default:
AbstractNormalSchema schema = schemaDAO.find(schemaName, attrUtil.schemaClass());
if (schema == null) {
throw new NotFoundException("Schema '" + schemaName + "'");
}
read = (T) binder.getSchemaTO(schema, attrUtil);
}
return read;
}
@PreAuthorize("hasRole('SCHEMA_UPDATE')")
public <T extends AbstractSchemaTO> void update(final AttributableType attrType, final SchemaType schemaType,
final T schemaTO) {
final AttributableUtil attrUtil = AttributableUtil.getInstance(attrType);
if (!doesSchemaExist(schemaType, schemaTO.getName(), attrUtil)) {
throw new NotFoundException(schemaType + "/" + attrType + "/" + schemaTO.getName());
}
switch (schemaType) {
case VIRTUAL:
AbstractVirSchema virSchema = virSchemaDAO.find(schemaTO.getName(), attrUtil.virSchemaClass());
if (virSchema == null) {
throw new NotFoundException("Virtual Schema '" + schemaTO.getName() + "'");
}
binder.update((VirSchemaTO) schemaTO, virSchema);
virSchemaDAO.save(virSchema);
break;
case DERIVED:
AbstractDerSchema derSchema = derSchemaDAO.find(schemaTO.getName(), attrUtil.derSchemaClass());
if (derSchema == null) {
throw new NotFoundException("Derived schema '" + schemaTO.getName() + "'");
}
binder.update((DerSchemaTO) schemaTO, derSchema);
derSchemaDAO.save(derSchema);
break;
case NORMAL:
default:
AbstractNormalSchema schema = schemaDAO.find(schemaTO.getName(), attrUtil.schemaClass());
if (schema == null) {
throw new NotFoundException("Schema '" + schemaTO.getName() + "'");
}
binder.update((SchemaTO) schemaTO, schema, attrUtil);
schemaDAO.save(schema);
}
}
/**
* {@inheritDoc}
*/
@Override
protected SchemaTO resolveReference(final Method method, final Object... args)
throws UnresolvedReferenceException {
String kind = null;
String name = null;
if (ArrayUtils.isNotEmpty(args)) {
for (int i = 0; (name == null || kind == null) && i < args.length; i++) {
if (args[i] instanceof String) {
if (kind == null) {
kind = (String) args[i];
} else {
name = (String) args[i];
}
} else if (args[i] instanceof SchemaTO) {
name = ((SchemaTO) args[i]).getName();
}
}
}
if (name != null) {
try {
final AttributableUtil attrUtil = AttributableUtil.valueOf(kind);
return binder.getSchemaTO(schemaDAO.find(name, attrUtil.schemaClass()), attrUtil);
} catch (Throwable ignore) {
LOG.debug("Unresolved reference", ignore);
throw new UnresolvedReferenceException(ignore);
}
}
throw new UnresolvedReferenceException();
}
}