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17 package org.apache.geronimo.connector.deployment.jsr88;
18
19 import org.apache.geronimo.deployment.plugin.XmlBeanSupport;
20 import org.apache.geronimo.xbeans.geronimo.GerConfigPropertySettingType;
21 import org.apache.xmlbeans.XmlObject;
22
23 import javax.enterprise.deploy.model.XpathListener  ;
24 import javax.enterprise.deploy.model.XpathEvent ;
25 import javax.enterprise.deploy.model.DDBean ;
26 import java.util.List ;
27 import java.util.ArrayList ;
28 import java.util.Set ;
29 import java.util.HashSet ;
30 import java.util.Map ;
31 import java.util.HashMap ;
32 import java.util.Iterator ;
33
34
39 public abstract class ConfigHolder extends XmlBeanSupport {
40 final XpathListener xpathListener = new XpathListener () {
41 public void fireXpathEvent(XpathEvent event) {
42 if(event.isAddEvent()) {
43 } else if(event.isRemoveEvent()) {
45 } else if(event.isChangeEvent()) {
47 if(event.getChangeEvent().getPropertyName().equals("config-property-name")) {
48 String old = (String ) event.getChangeEvent().getOldValue();
49 for (int i = 0; i < settings.length; i++) {
50 ConfigPropertySetting setting = settings[i];
51 if(setting.getName().equals(old)) {
52 setting.setName((String ) event.getChangeEvent().getNewValue());
53 break;
54 }
55 }
56 }
57 }
58 }
59 };
60 private DDBean ddBean;
61 private ConfigPropertySetting[] settings = new ConfigPropertySetting[0];
62
63 public ConfigHolder() {
64 super(null);
65 }
66
67 public void clearNullSettings() {
68 List list = new ArrayList ();
69 Set saved = new HashSet ();
70 for (int i = 0; i < settings.length; i++) {
71 ConfigPropertySetting setting = settings[i];
72 if(setting.getValue() != null && !setting.isSetToDefault()) {
73 list.add(setting);
74 saved.add(setting.getName());
75 }
76 }
77 settings = (ConfigPropertySetting[]) list.toArray(new ConfigPropertySetting[list.size()]);
78 GerConfigPropertySettingType[] configs = getConfigProperties();
79 for (int i = configs.length-1; i>=0; --i) {
80 GerConfigPropertySettingType type = configs[i];
81 if(!saved.contains(type.getName())) {
82 removeConfigProperty(i);
83 }
84 }
85 }
86
87 protected void configure(DDBean ddBean, XmlObject xml) {
88 ConfigPropertySetting[] old = null;
89 if(this.ddBean != null) {
90 this.ddBean.removeXpathListener("config-property", xpathListener);
91 old = settings;
92 }
93 this.ddBean = ddBean;
94 setXmlObject(xml);
95
96 List list = new ArrayList ();
98 DDBean [] all = ddBean == null ? new DDBean [0] : ddBean.getChildBean("config-property");
99 if(all == null) {
100 all = new DDBean [0];
101 }
102 Map byName = new HashMap ();
103 for (int i = 0; i < all.length; i++) {
104 DDBean item = all[i];
105 byName.put(item.getText("config-property-name")[0], item);
106 }
107 GerConfigPropertySettingType[] previous = getConfigProperties();
108 for (int i = 0; i < previous.length; i++) {
109 GerConfigPropertySettingType setting = previous[i];
110 DDBean item = (DDBean ) byName.remove(setting.getName());
111 if(item != null) {
112 list.add(new ConfigPropertySetting(item, setting, false));
113 } else {
114 System.out.println("Ignoring connectiondefinition-instance/config-setting "+setting.getName()+" (no matching config-property in J2EE DD)");
115 }
117 }
118 for (Iterator it = byName.keySet().iterator(); it.hasNext();) {
119 String name = (String ) it.next();
120 DDBean bean = (DDBean ) byName.get(name);
121 list.add(new ConfigPropertySetting(bean, createConfigProperty(), true));
122 }
123 settings = (ConfigPropertySetting[]) list.toArray(new ConfigPropertySetting[list.size()]);
124 if(old != null) {
125 pcs.firePropertyChange("configPropertySetting", old, settings);
126 }
127 if(ddBean != null) {
128 ddBean.addXpathListener("config-property", xpathListener);
129 }
130 }
131
132 public ConfigPropertySetting[] getConfigPropertySetting() {
133 return settings;
134 }
135
136 public ConfigPropertySetting getConfigPropertySetting(int index) {
137 return settings[index];
138 }
139
140 protected abstract GerConfigPropertySettingType createConfigProperty();
141 protected abstract GerConfigPropertySettingType[] getConfigProperties();
142 protected abstract void removeConfigProperty(int index);
143 public abstract void reconfigure();
144 }
145 |
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