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1 package org.exoplatform.portlet.faces.lifecycle;
2
3 import java.util.*;
4 import javax.faces.FacesException;
5 import javax.faces.event.PhaseId;
6 import javax.faces.lifecycle.Lifecycle;
7 import javax.faces.lifecycle.LifecycleFactory;
8 import org.apache.commons.logging.Log;
9 import org.exoplatform.services.log.LogUtil;
10
11 import com.sun.faces.util.Util;
12 import com.sun.faces.lifecycle.* ;
13
14 public class ExoLifecycleFactory extends LifecycleFactory {
15 protected static Log log_ = LogUtil.getLog("org.exoplatform.portal.faces") ;
16 static final int FIRST_PHASE;
17 static final int LAST_PHASE;
18 protected HashMap lifecycleMap;
19
20 static
21 {
22 FIRST_PHASE = PhaseId.RESTORE_VIEW.getOrdinal();
23 LAST_PHASE = PhaseId.RENDER_RESPONSE.getOrdinal();
24 }
25
26 static class LifecycleWrapper {
27 Lifecycle instance;
28 boolean created;
29
30 LifecycleWrapper(Lifecycle newInstance, boolean newCreated) {
31 instance = null;
32 created = false;
33 instance = newInstance;
34 created = newCreated;
35 }
36 }
37
38
39 public ExoLifecycleFactory() {
40 lifecycleMap = null;
41 lifecycleMap = new HashMap();
42 lifecycleMap.put("DEFAULT", new LifecycleWrapper(new ExoLifecycle(), false));
43 }
44
45 boolean alreadyCreated(String  lifecycleId) {
46 LifecycleWrapper wrapper = (LifecycleWrapper)lifecycleMap.get(lifecycleId);
47 return null != wrapper && wrapper.created;
48 }
49
50 Lifecycle verifyRegisterArgs(String lifecycleId, int phaseId, Phase phase) {
51 String message = null;
52 LifecycleWrapper wrapper = null;
53 Lifecycle result = null;
54 Object params[] = { lifecycleId };
55 if(null == lifecycleId || null == phase)
56 throw new NullPointerException ("lifecycleId or phase is null");
57 if(null == (wrapper = (LifecycleWrapper)lifecycleMap.get(lifecycleId))) {
58 message = "lifecycle id is not found" ;
59 throw new IllegalArgumentException (message);
60 }
61 result = wrapper.instance;
62 Util.doAssert(null != result);
63 if(alreadyCreated(lifecycleId)) {
64 message = "LIFECYCLE ID ALREADY ADDED" ;
65 throw new IllegalStateException (message);
66 }
67
68 if(FIRST_PHASE > phaseId || phaseId > LAST_PHASE) {
69 params = (new Object [] { Integer.toString(phaseId) });
70 message = "PHASE ID OUT OF BOUNDS" ;
71 throw new IllegalArgumentException (message);
72 } else {
73 return result;
74 }
75 }
76
77 public void addLifecycle(String lifecycleId, Lifecycle lifecycle) {
78 if(lifecycleId == null || lifecycle == null)
79 throw new NullPointerException ("NULL PARAMETERS ERROR");
80 if(null != lifecycleMap.get(lifecycleId)) {
81 Object params[] = { lifecycleId };
82 String message = "LIFECYCLE ID ALREADY ADDED" ;
83 throw new IllegalArgumentException (message);
84 }
85 lifecycleMap.put(lifecycleId, new LifecycleWrapper(lifecycle, false));
86 }
87
88 public Lifecycle getLifecycle(String lifecycleId) throws FacesException {
89 Lifecycle result = null;
90 LifecycleWrapper wrapper = null;
91 if(null == lifecycleId)
92 throw new NullPointerException ("com.sun.faces.NULL_PARAMETERS_ERROR") ;
93 try {
94 wrapper = (LifecycleWrapper)lifecycleMap.get(lifecycleId);
95 result = wrapper.instance;
96 wrapper.created = true;
97 } catch(Throwable e) {
98 Object params[] = { lifecycleId };
99 String message = "CANT CREATE LIFECYCLE ERROR" ;
100 throw new FacesException(message);
101 }
102 return result;
103 }
104
105 public Iterator getLifecycleIds() {
106 return lifecycleMap.keySet().iterator();
107 }
108 }
109 |
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