001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Kernel/Sources/es/udc/mypersonalizer/kernel/model/repository/sql/plain/PlainServicePermissionsAccessor.java,v 1.1.1.1 2004/03/25 12:08:36 fbellas Exp $
003: * $Revision: 1.1.1.1 $
004: * $Date: 2004/03/25 12:08:36 $
005: *
006: * =============================================================================
007: *
008: * Copyright (c) 2003, The MyPersonalizer Development Group
009: * (http://www.tic.udc.es/~fbellas/mypersonalizer/index.html) at
010: * University Of A Coruna
011: * All rights reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions are met:
015: *
016: * - Redistributions of source code must retain the above copyright notice,
017: * this list of conditions and the following disclaimer.
018: *
019: * - Redistributions in binary form must reproduce the above copyright notice,
020: * this list of conditions and the following disclaimer in the documentation
021: * and/or other materials provided with the distribution.
022: *
023: * - Neither the name of the University Of A Coruna nor the names of its
024: * contributors may be used to endorse or promote products derived from
025: * this software without specific prior written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
028: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
029: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
030: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
031: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
032: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
033: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
034: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
035: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
036: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
037: * POSSIBILITY OF SUCH DAMAGE.
038: *
039: */
040:
041: package es.udc.mypersonalizer.kernel.model.repository.sql.plain;
042:
043: import java.util.Iterator;
044: import java.util.Collection;
045: import java.util.ArrayList;
046:
047: import es.udc.mypersonalizer.kernel.model.repository.interfaces.ServicePermissionsAccessor;
048: import es.udc.mypersonalizer.kernel.model.repository.interfaces.ServicePermissions;
049: import es.udc.mypersonalizer.kernel.model.repository.sql.storers.SerializableObject;
050: import es.udc.mypersonalizer.kernel.model.repository.sql.plain.PlainSerializableObjectAccessor;
051: import es.udc.mypersonalizer.kernel.util.exceptions.InstanceNotFoundException;
052: import es.udc.mypersonalizer.kernel.util.exceptions.DuplicateInstanceException;
053: import es.udc.mypersonalizer.kernel.util.exceptions.InternalErrorException;
054:
055: /**
056: * This class provides a Plain-based implementation of
057: * <code>ServicePermissionsAccessor</code>. The implementation relies on
058: * <code>PlainSerializableObjectAccessor</code> that implements the logic to
059: * access service permissions stored as serialized objects in database.
060: *
061: * @author Abel Iago Toral Quiroga
062: * @author Fernando Bellas
063: * @author Abel Muinho
064: * @since 1.0
065: */
066: public class PlainServicePermissionsAccessor implements
067: ServicePermissionsAccessor {
068:
069: private PlainSerializableObjectAccessor accessor;
070:
071: public PlainServicePermissionsAccessor() {
072: accessor = new PlainSerializableObjectAccessor();
073: }
074:
075: public ServicePermissions findServicePermissions(
076: String serviceIdentifier) throws InstanceNotFoundException,
077: InternalErrorException {
078:
079: String realIdentifier = applyNamingConventionsToIdentifier(serviceIdentifier);
080: SerializableObject serializableObject = accessor
081: .findSerializableObject(realIdentifier);
082:
083: return ((ServicePermissions) serializableObject
084: .getSerializable());
085: }
086:
087: public void updateServicePermissions(
088: ServicePermissions servicePermissions)
089: throws InstanceNotFoundException, InternalErrorException {
090:
091: String realIdentifier = applyNamingConventionsToIdentifier(servicePermissions
092: .getServiceIdentifier());
093:
094: SerializableObject serializableObject = new SerializableObject(
095: realIdentifier, servicePermissions);
096: accessor.updateSerializableObject(serializableObject);
097: }
098:
099: public void removeServicePermissions(String serviceIdentifier)
100: throws InstanceNotFoundException, InternalErrorException {
101:
102: String realIdentifier = applyNamingConventionsToIdentifier(serviceIdentifier);
103: accessor.removeSerializableObject(realIdentifier);
104: }
105:
106: public void addServicePermissions(
107: ServicePermissions servicePermissions)
108: throws DuplicateInstanceException, InternalErrorException {
109:
110: String realIdentifier = applyNamingConventionsToIdentifier(servicePermissions
111: .getServiceIdentifier());
112:
113: SerializableObject serializableObject = new SerializableObject(
114: realIdentifier, servicePermissions);
115: accessor.addSerializableObject(serializableObject);
116: }
117:
118: public Collection findAllServicePermissions()
119: throws InternalErrorException {
120:
121: Iterator serializableObjectsIterator = accessor
122: .findSerializableObjectsByPattern(
123: "%"
124: + PlainSerializableObjectAccessor.SERVICE_PERMISSIONS_SUFFIX)
125: .iterator();
126:
127: Collection allServicePermissions = new ArrayList();
128: while (serializableObjectsIterator.hasNext()) {
129: SerializableObject serializableObject = (SerializableObject) serializableObjectsIterator
130: .next();
131:
132: ServicePermissions servicePermissions = (ServicePermissions) serializableObject
133: .getSerializable();
134: allServicePermissions.add(servicePermissions);
135: }
136:
137: return allServicePermissions;
138: }
139:
140: /**
141: * Aplies naming conventions to a service identifier to match its
142: * permissions object in the database.
143: * @param identifier The normal service identifier. (without specific
144: * prefixes or sufixes).
145: * @return The identifier with naming conventions aplied.
146: */
147: private String applyNamingConventionsToIdentifier(String identifier) {
148: return (identifier + PlainSerializableObjectAccessor.SERVICE_PERMISSIONS_SUFFIX);
149: }
150: }
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