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mhunt |
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/*
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* <XDtI18n:getString resource="do_not_edit"/>
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*/
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package <XDtPackage:packageOf><XDtEjbUtilObj:utilClass/></XDtPackage:packageOf>;
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<XDtEjbIntf:ifRemoteEjb>
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import javax.rmi.PortableRemoteObject;
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</XDtEjbIntf:ifRemoteEjb>
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import javax.naming.NamingException;
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import javax.naming.InitialContext;
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<XDtEjbIntf:ifRemoteEjb>
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import java.util.Date;
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import java.util.Hashtable;
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import java.util.Properties;
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</XDtEjbIntf:ifRemoteEjb>
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<XDtConfig:ifConfigParamEquals paramName="includeGUID" value="true">
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import java.net.InetAddress;
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import java.security.SecureRandom;
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</XDtConfig:ifConfigParamEquals>
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/**
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="utility_class_for" arguments="<XDtEjb:ejbName/>"/>
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<XDtClass:classCommentTags indent="0"/> */
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public class <XDtClass:classOf><XDtEjbUtilObj:utilClass/></XDtClass:classOf>
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{
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<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
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<XDtEjbIntf:ifRemoteEjb>
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/** Date threshold - when seeking a remote access control server, fail immediately if this value is set and is in the future */
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private static Date seekThreshold = null;
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/** <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_cached_remote"/> */
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private static <XDtEjbHome:homeInterface type="remote"/> cachedRemoteHome = null;
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<XDtClass:ifHasClassTag tagName="ejb:util" paramName="jndi-properties">
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/** JNDI properties (null if no configuration resource exists) */
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private static Hashtable jndiProperties = null;
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</XDtClass:ifHasClassTag>
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/**
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* Clears the cached Remote Home. This will be needed if a client is
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* re-establishing a connection to a Remote EJB after the EJB container
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* has restarted.
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*/
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public static void clearCache()
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{
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cachedRemoteHome=null;
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}
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</XDtEjbIntf:ifRemoteEjb>
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<XDtEjbIntf:ifLocalEjb>
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/** <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_cached_local"/> */
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private static <XDtEjbHome:homeInterface type="local"/> cachedLocalHome = null;
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</XDtEjbIntf:ifLocalEjb>
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</XDtConfig:ifConfigParamEquals>
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_home_lookups"/>
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<XDtEjbIntf:ifRemoteEjb>
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/**
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_home_def_ic"/>
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* @return <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="home_interface_for" arguments="<XDtEjb:ejbName/>"/> <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_lookup_using" arguments="<XDtEjbUtilObj:lookupKind/>"/>
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*/
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public static <XDtEjbHome:homeInterface type="remote"/> getHome() throws NamingException
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{
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<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
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if ( cachedRemoteHome != null )
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{
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return cachedRemoteHome;
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}
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</XDtConfig:ifConfigParamEquals>
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<XDtClass:ifHasClassTag tagName="ejb:util" paramName="jndi-properties">
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if ( jndiProperties == null )
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{
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ClassLoader cl = <XDtClass:classOf><XDtEjbUtilObj:utilClass/></XDtClass:classOf>.class.getClassLoader();
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java.io.InputStream jpin = cl.getResourceAsStream("<XDtClass:classTagValue tagName='ejb:util' paramName='jndi-properties'/>");
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if ( jpin != null )
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{
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Properties jp = new Properties();
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try
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{
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jp.load( jpin );
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jpin.close();
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jndiProperties = jp;
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}
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catch ( java.io.IOException x )
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{
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// fail
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}
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}
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}
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if ( jndiProperties != null )
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{
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<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
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cachedRemoteHome = getHome( jndiProperties );
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</XDtConfig:ifConfigParamEquals>
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<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
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return getHome( jndiProperties );
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</XDtConfig:ifConfigParamNotEquals>
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}
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else
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{
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</XDtClass:ifHasClassTag>
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<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
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InitialContext initialContext = new InitialContext();
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try {
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java.lang.Object objRef = initialContext.lookup(<XDtEjbHome:homeInterface type="remote"/>.<XDtEjbUtilObj:lookupKind/>);
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cachedRemoteHome = (<XDtEjbHome:homeInterface type="remote"/>) PortableRemoteObject.narrow(objRef, <XDtEjbHome:homeInterface type="remote"/>.class);
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} finally {
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initialContext.close();
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}
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<XDtClass:ifHasClassTag tagName="ejb:util" paramName="jndi-properties">
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}
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</XDtClass:ifHasClassTag>
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return cachedRemoteHome;
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</XDtConfig:ifConfigParamEquals>
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<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
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InitialContext initialContext = new InitialContext();
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try {
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java.lang.Object objRef = initialContext.lookup(<XDtEjbHome:homeInterface type="remote"/>.<XDtEjbUtilObj:lookupKind/>);
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return (<XDtEjbHome:homeInterface type="remote"/>) PortableRemoteObject.narrow(objRef, <XDtEjbHome:homeInterface type="remote"/>.class);
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} finally {
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initialContext.close();
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}
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</XDtConfig:ifConfigParamNotEquals>
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}
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/**
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_home_param_ic"/>
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* @param environment <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_ic_parameters"/>
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* @return <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="home_interface_for" arguments="<XDtEjb:ejbName/>"/> <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_lookup_using" arguments="<XDtEjbUtilObj:lookupKind/>"/>
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*/
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public static <XDtEjbHome:homeInterface type="remote"/> getHome( Hashtable environment ) throws NamingException
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{
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
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Date now = new Date();
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if ( seekThreshold != null )
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{
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if ( now.before(seekThreshold) )
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{
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// Fail-fast if called prior to threshold value
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throw new javax.naming.CommunicationException("Communication unavailable until " + seekThreshold);
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}
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else
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{
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seekThreshold = null;
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}
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}
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String value = (String)environment.get("jnp.timeout");
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int jnpTimeout = 0;
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if ( value != null )
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{
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jnpTimeout = Integer.parseInt(value);
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}
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try
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{
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Seeker seeker = new Seeker(jnpTimeout,environment);
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return seeker.seekHome();
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}
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catch ( javax.naming.CommunicationException x )
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{
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if ( environment.containsKey( "broker.retrytimeout" ) )
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{
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try
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{
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int retryTimeoutMillis = Integer.parseInt( environment.get("broker.retrytimeout").toString() );
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seekThreshold = new Date( now.getTime() + retryTimeoutMillis );
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}
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catch ( NumberFormatException nx )
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{
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}
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}
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throw x;
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}
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}
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</XDtEjbIntf:ifRemoteEjb>
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<XDtEjbIntf:ifLocalEjb>
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/**
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_localhome_def_ic"/>
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* @return <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="local_home_interface_for" arguments="<XDtEjb:ejbName/>"/> <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_lookup_using" arguments="<XDtEjbUtilObj:lookupKind/>"/>
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*/
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public static <XDtEjbHome:homeInterface type="local"/> getLocalHome() throws NamingException
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{
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_localhome_not_narrowed"/>
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<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
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if (cachedLocalHome == null) {
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
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InitialContext initialContext = new InitialContext();
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try {
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cachedLocalHome = (<XDtEjbHome:homeInterface type="local"/>) initialContext.lookup(<XDtEjbHome:homeInterface type="local"/>.<XDtEjbUtilObj:lookupKind/>);
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} finally {
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initialContext.close();
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}
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}
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return cachedLocalHome;
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</XDtConfig:ifConfigParamEquals>
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<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
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InitialContext initialContext = new InitialContext();
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try {
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return (<XDtEjbHome:homeInterface type="local"/>) initialContext.lookup(<XDtEjbHome:homeInterface type="local"/>.<XDtEjbUtilObj:lookupKind/>);
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} finally {
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initialContext.close();
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}
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</XDtConfig:ifConfigParamNotEquals>
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}
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</XDtEjbIntf:ifLocalEjb>
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<XDtMerge:merge file="util-custom.xdt">
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</XDtMerge:merge>
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<XDtConfig:ifConfigParamEquals paramName="includeGUID" value="true">
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/** <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_ip"/> */
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private static String hexServerIP = null;
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_securerandom"/>
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private static final SecureRandom seeder = new SecureRandom();
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/**
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_1"/>
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_2"/>
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*
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* <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_usage"/>
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*/
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public static final String generateGUID(Object o) {
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StringBuffer tmpBuffer = new StringBuffer(16);
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if (hexServerIP == null) {
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InetAddress localInetAddress = null;
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try {
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// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_localinetaddress"/>
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localInetAddress = InetAddress.getLocalHost();
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}
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catch (java.net.UnknownHostException uhe) {
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System.err.println("<XDtClass:classOf><XDtEjbUtilObj:utilClass/></XDtClass:classOf>: <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_guid_unknownhost"/>");
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// todo: find better way to get around this...
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uhe.printStackTrace();
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return null;
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}
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byte serverIP[] = localInetAddress.getAddress();
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hexServerIP = hexFormat(getInt(serverIP), 8);
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}
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String hashcode = hexFormat(System.identityHashCode(o), 8);
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tmpBuffer.append(hexServerIP);
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tmpBuffer.append(hashcode);
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long timeNow = System.currentTimeMillis();
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int timeLow = (int)timeNow & 0xFFFFFFFF;
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int node = seeder.nextInt();
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StringBuffer guid = new StringBuffer(32);
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guid.append(hexFormat(timeLow, 8));
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guid.append(tmpBuffer.toString());
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guid.append(hexFormat(node, 8));
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return guid.toString();
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}
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private static int getInt(byte bytes[]) {
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int i = 0;
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int j = 24;
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for (int k = 0; j >= 0; k++) {
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int l = bytes[k] & 0xff;
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i += l << j;
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j -= 8;
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}
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return i;
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}
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private static String hexFormat(int i, int j) {
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String s = Integer.toHexString(i);
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return padHex(s, j) + s;
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}
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private static String padHex(String s, int i) {
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StringBuffer tmpBuffer = new StringBuffer();
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if (s.length() < i) {
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for (int j = 0; j < i - s.length(); j++) {
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tmpBuffer.append('0');
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}
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}
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return tmpBuffer.toString();
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}
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</XDtConfig:ifConfigParamEquals>
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<XDtMerge:merge file="lookup-custom.xdt">
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</XDtMerge:merge>
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<XDtEjbIntf:ifRemoteEjb>
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299 |
static class Seeker extends Thread
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300 |
{
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private int timeout = 0;
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private Hashtable environment;
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private <XDtEjbHome:homeInterface type="remote"/> home;
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private javax.naming.NamingException ex;
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306 |
Seeker( int timeout, Hashtable env )
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{
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super("JNPSeeker");
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setDaemon(true);
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this.timeout=timeout;
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this.environment = env;
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312 |
}
|
|
|
313 |
|
|
|
314 |
public void run()
|
|
|
315 |
{
|
|
|
316 |
InitialContext initialContext = null;
|
|
|
317 |
try
|
|
|
318 |
{
|
|
|
319 |
initialContext = new InitialContext(environment);
|
|
|
320 |
java.lang.Object objRef = initialContext.lookup(<XDtEjbHome:homeInterface type="remote"/>.<XDtEjbUtilObj:lookupKind/>);
|
|
|
321 |
home = (<XDtEjbHome:homeInterface type="remote"/>) PortableRemoteObject.narrow(objRef, <XDtEjbHome:homeInterface type="remote"/>.class);
|
|
|
322 |
|
|
|
323 |
synchronized( this )
|
|
|
324 |
{
|
|
|
325 |
this.notify();
|
|
|
326 |
}
|
|
|
327 |
}
|
|
|
328 |
catch( javax.naming.NamingException x )
|
|
|
329 |
{
|
|
|
330 |
this.ex = x;
|
|
|
331 |
}
|
|
|
332 |
finally
|
|
|
333 |
{
|
|
|
334 |
try
|
|
|
335 |
{
|
|
|
336 |
initialContext.close();
|
|
|
337 |
}
|
|
|
338 |
catch ( javax.naming.NamingException x )
|
|
|
339 |
{
|
|
|
340 |
}
|
|
|
341 |
}
|
|
|
342 |
|
|
|
343 |
}
|
|
|
344 |
|
|
|
345 |
public <XDtEjbHome:homeInterface type="remote"/> seekHome() throws javax.naming.NamingException
|
|
|
346 |
{
|
|
|
347 |
try
|
|
|
348 |
{
|
|
|
349 |
synchronized(this)
|
|
|
350 |
{
|
|
|
351 |
this.start();
|
|
|
352 |
this.wait(timeout);
|
|
|
353 |
}
|
|
|
354 |
}
|
|
|
355 |
catch (InterruptedException x)
|
|
|
356 |
{
|
|
|
357 |
throw new javax.naming.CommunicationException("Connect attempt timed out");
|
|
|
358 |
}
|
|
|
359 |
|
|
|
360 |
// See if the connect thread exited due to an exception
|
|
|
361 |
if( ex != null ) throw ex;
|
|
|
362 |
|
|
|
363 |
if ( home == null ) throw new javax.naming.CommunicationException("Connect attempt timed out");
|
|
|
364 |
|
|
|
365 |
return home;
|
|
|
366 |
}
|
|
|
367 |
}
|
|
|
368 |
</XDtEjbIntf:ifRemoteEjb>
|
|
|
369 |
}
|