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18
19 package org.apache.roller.business.hibernate;
20
21 import java.net.InetAddress  ;
22 import java.net.MalformedURLException ;
23 import java.net.URL ;
24 import java.net.UnknownHostException ;
25 import org.hibernate.Criteria;
26 import org.hibernate.HibernateException;
27 import org.hibernate.Session;
28 import org.hibernate.criterion.Expression;
29 import org.hibernate.criterion.Order;
30 import org.apache.roller.RollerException;
31 import org.apache.roller.pojos.PingTargetData;
32 import org.apache.roller.pojos.WebsiteData;
33 import java.util.Iterator ;
34 import java.util.List ;
35 import java.util.Collection ;
36 import org.apache.commons.logging.Log;
37 import org.apache.commons.logging.LogFactory;
38 import org.apache.roller.model.AutoPingManager;
39 import org.apache.roller.model.PingTargetManager;
40 import org.apache.roller.model.RollerFactory;
41 import org.apache.roller.pojos.AutoPingData;
42 import org.apache.roller.pojos.PingQueueEntryData;
43
44
45
50 public class HibernatePingTargetManagerImpl implements PingTargetManager {
51
52 static final long serialVersionUID = 121008492583382718L;
53
54 private static Log log = LogFactory.getLog(HibernatePingTargetManagerImpl.class);
55
56 private HibernatePersistenceStrategy strategy = null;
57
58
59 public HibernatePingTargetManagerImpl(HibernatePersistenceStrategy strat) {
60 this.strategy = strat;
61 }
62
63
64 public void removePingTarget(PingTargetData pingTarget) throws RollerException {
65 this.removePingTargetContents(pingTarget);
67 this.strategy.remove(pingTarget);
68 }
69
70
71
75 private void removePingTargetContents(PingTargetData ping)
76 throws RollerException {
77
78 Session session = this.strategy.getSession();
79
80 Criteria criteria = session.createCriteria(PingQueueEntryData.class);
82 criteria.add(Expression.eq("pingTarget", ping));
83 List queueEntries = criteria.list();
84 Iterator qIT = queueEntries.iterator();
85 while(qIT.hasNext()) {
86 this.strategy.remove((PingQueueEntryData) qIT.next());
87 }
88
89 AutoPingManager autoPingMgr = RollerFactory.getRoller().getAutopingManager();
91 List autopings = autoPingMgr.getAutoPingsByTarget(ping);
92 Iterator it = autopings.iterator();
93 while(it.hasNext()) {
94 this.strategy.remove((AutoPingData) it.next());
95 }
96 }
97
98
99
102 public void removeAllCustomPingTargets() throws RollerException {
103
104 try {
105 Session session = strategy.getSession();
106 Criteria criteria = session.createCriteria(PingTargetData.class);
107 criteria.add(Expression.isNotNull("website"));
108 List allCustomTargets = criteria.list();
109 removeTargets(allCustomTargets);
110 } catch (HibernateException e) {
111 throw new RollerException(e);
112 }
113 }
114
115
116 private void removeTargets(Collection customTargets) throws RollerException {
118
119 Iterator targets = customTargets.iterator();
121 while (targets.hasNext()) {
122 this.strategy.remove((PingTargetData) targets.next());
123 }
124 }
125
126
127 public void savePingTarget(PingTargetData pingTarget) throws RollerException {
128 strategy.store(pingTarget);
129 }
130
131
132 public PingTargetData getPingTarget(String id) throws RollerException {
133 return (PingTargetData) strategy.load(id, PingTargetData.class);
134 }
135
136
137 public boolean isNameUnique(PingTargetData pingTarget) throws RollerException {
138 String name = pingTarget.getName();
139 if (name == null || name.trim().length() == 0) return false;
140
141 String id = pingTarget.getId();
142
143 List brotherTargets = null;
145 WebsiteData website = pingTarget.getWebsite();
146 if (website == null) {
147 brotherTargets = getCommonPingTargets();
148 } else {
149 brotherTargets = getCustomPingTargets(website);
150 }
151
152 for (Iterator i = brotherTargets.iterator(); i.hasNext();) {
155 PingTargetData brother = (PingTargetData) i.next();
156 if (brother.getName().equals(name) && (id == null || !brother.getId().equals(id))) {
158 return false;
159 }
160 }
161 return true;
163 }
164
165
166 public boolean isUrlWellFormed(PingTargetData pingTarget) throws RollerException {
167 String url = pingTarget.getPingUrl();
168 if (url == null || url.trim().length() == 0) return false;
169 try {
170 URL parsedUrl = new URL (url);
171 boolean isHttp = parsedUrl.getProtocol().equals("http");
173 boolean hasHost = (parsedUrl.getHost() != null) && (parsedUrl.getHost().trim().length() > 0);
174 return isHttp && hasHost;
175 } catch (MalformedURLException e) {
176 return false;
177 }
178 }
179
180
181 public boolean isHostnameKnown(PingTargetData pingTarget) throws RollerException {
182 String url = pingTarget.getPingUrl();
183 if (url == null || url.trim().length() == 0) return false;
184 try {
185 URL parsedUrl = new URL (url);
186 String host = parsedUrl.getHost();
187 if (host == null || host.trim().length() == 0) return false;
188 InetAddress addr = InetAddress.getByName(host);
189 return true;
190 } catch (MalformedURLException e) {
191 return false;
192 } catch (UnknownHostException e) {
193 return false;
194 }
195 }
196
197
198
201 public List getCommonPingTargets() throws RollerException {
202 try {
203 Session session = ((HibernatePersistenceStrategy) strategy).getSession();
204 Criteria criteria = session.createCriteria(PingTargetData.class);
205 criteria.add(Expression.isNull("website"));
206 criteria.addOrder(Order.asc("name"));
207 return criteria.list();
208 } catch (HibernateException e) {
209 throw new RollerException(e);
210 }
211
212 }
213
214
215
218 public List getCustomPingTargets(WebsiteData website) throws RollerException {
219 try {
220 Session session = ((HibernatePersistenceStrategy) strategy).getSession();
221 Criteria criteria = session.createCriteria(PingTargetData.class);
222 criteria.add(Expression.eq("website", website));
223 criteria.addOrder(Order.asc("name"));
224 return criteria.list();
225 } catch (HibernateException e) {
226 throw new RollerException(e);
227 }
228 }
229
230
231 public void release() {}
232
233 }
234 |
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