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1
17
18 package org.apache.geronimo.connector.deployment.dconfigbean;
19
20 import java.util.Arrays  ;
21 import java.util.HashSet ;
22 import java.util.Iterator ;
23 import java.util.Map ;
24 import java.util.Set ;
25
26 import javax.enterprise.deploy.model.DDBean ;
27 import javax.enterprise.deploy.model.XpathEvent ;
28 import javax.enterprise.deploy.model.XpathListener ;
29
30 import org.apache.geronimo.xbeans.geronimo.GerConfigPropertySettingType;
31
32
38 public class ConfigPropertiesHelper {
39
40 public static void initializeConfigSettings(DDBean ddBean, ConfigPropertiesSource configPropertiesSource, Map configPropertiesMap, String configPropertyXPath, String configPropertyNameXPath) {
41 DDBean [] configProperties = ddBean.getChildBean(configPropertyXPath);
42 GerConfigPropertySettingType[] configPropertySettings = configPropertiesSource.getConfigPropertySettingArray();
43
44 if (configPropertySettings.length == 0) {
45 for (int i = 0; i < configProperties.length; i++) {
47 DDBean configProperty = configProperties[i];
48 GerConfigPropertySettingType configPropertySetting = configPropertiesSource.addNewConfigPropertySetting();
49 String name = configProperty.getText(configPropertyNameXPath)[0];
50 ConfigPropertySettingDConfigBean configPropertySettingDConfigBean = new ConfigPropertySettingDConfigBean(configProperty, configPropertySetting);
51 configPropertiesMap.put(name, configPropertySettingDConfigBean);
52 }
53 } else {
54 assert configProperties.length == configPropertySettings.length;
56 for (int i = 0; i < configProperties.length; i++) {
57 DDBean configProperty = configProperties[i];
58 GerConfigPropertySettingType configPropertySetting = configPropertySettings[i];
59 String name = configProperty.getText(configPropertyNameXPath)[0];
60 assert name.equals(configPropertySetting.getName());
61 ConfigPropertySettingDConfigBean configPropertySettingDConfigBean = new ConfigPropertySettingDConfigBean(configProperty, configPropertySetting);
62 configPropertiesMap.put(name, configPropertySettingDConfigBean);
63 }
64 }
65 }
66
67 public static XpathListener initialize(DDBean parentDDBean, final ConfigPropertiesHelper.ConfigPropertiesSource configPropertiesSource, String configPropertyXPath, String configPropertyNameXPath) {
68 DDBean [] beans = parentDDBean.getChildBean(configPropertyXPath);
69 ConfigPropertySettings[] configs = new ConfigPropertySettings[beans.length];
70 Set xmlBeans = new HashSet (Arrays.asList(configPropertiesSource.getConfigPropertySettingArray()));
71 for (int i = 0; i < beans.length; i++) {
72 DDBean bean = beans[i];
73 String [] names = bean.getText(configPropertyNameXPath);
74 String name = names.length == 1 ? names[0] : "";
75 GerConfigPropertySettingType target = null;
76 for (Iterator it = xmlBeans.iterator(); it.hasNext();) {
77 GerConfigPropertySettingType setting = (GerConfigPropertySettingType) it.next();
78 if (setting.getName().equals(name)) {
79 target = setting;
80 xmlBeans.remove(target);
81 break;
82 }
83 }
84 if (target == null) {
85 target = configPropertiesSource.addNewConfigPropertySetting();
86 }
87 configs[i] = new ConfigPropertySettings();
88 configs[i].initialize(target, bean);
89 }
90 for (Iterator it = xmlBeans.iterator(); it.hasNext();) { GerConfigPropertySettingType target = (GerConfigPropertySettingType) it.next();
92 GerConfigPropertySettingType[] xmlConfigs = configPropertiesSource.getConfigPropertySettingArray();
93 for (int i = 0; i < xmlConfigs.length; i++) {
94 if (xmlConfigs[i] == target) {
95 configPropertiesSource.removeConfigPropertySetting(i);
96 break;
97 }
98 }
99 }
100 configPropertiesSource.setConfigPropertySettings(configs);
101 XpathListener configListener = new XpathListener () {
102 public void fireXpathEvent(XpathEvent xpe) {
103 ConfigPropertySettings[] configs = configPropertiesSource.getConfigPropertySettings();
104 if (xpe.isAddEvent()) {
105 ConfigPropertySettings[] bigger = new ConfigPropertySettings[configs.length + 1];
106 System.arraycopy(configs, 0, bigger, 0, configs.length);
107 bigger[configs.length] = new ConfigPropertySettings();
108 bigger[configs.length].initialize(configPropertiesSource.addNewConfigPropertySetting(), xpe.getBean());
109 configPropertiesSource.setConfigPropertySettings(bigger);
110 } else if (xpe.isRemoveEvent()) {
111 int index = -1;
112 for (int i = 0; i < configs.length; i++) {
113 if (configs[i].matches(xpe.getBean())) {
114 GerConfigPropertySettingType[] xmlConfigs = configPropertiesSource.getConfigPropertySettingArray();
116 for (int j = 0; j < xmlConfigs.length; j++) {
117 GerConfigPropertySettingType test = xmlConfigs[j];
118 if (test == configs[i].getConfigPropertySetting()) {
119 configPropertiesSource.removeConfigPropertySetting(j);
120 break;
121 }
122 }
123 configs[i].dispose();
125 index = i;
126 break;
127 }
128 }
129 if (index > -1) {
131 ConfigPropertySettings[] smaller = new ConfigPropertySettings[configs.length - 1];
132 System.arraycopy(configs, 0, smaller, 0, index);
133 System.arraycopy(configs, index + 1, smaller, index, smaller.length - index);
134 configPropertiesSource.setConfigPropertySettings(smaller);
135 }
136 }
137 }
139 };
140 parentDDBean.addXpathListener(configPropertyXPath, configListener);
141 return configListener;
142 }
143
144 public interface ConfigPropertiesSource {
145 GerConfigPropertySettingType[] getConfigPropertySettingArray();
146
147 GerConfigPropertySettingType addNewConfigPropertySetting();
148
149 void removeConfigPropertySetting(int j);
150
151 ConfigPropertySettings[] getConfigPropertySettings();
152
153 void setConfigPropertySettings(ConfigPropertySettings[] configs);
154 }
155 }
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