org.apache.commons.discovery.tools: public class: DefaultClassHolder

org.apache.commons.discovery.tools
public class: DefaultClassHolder [javadoc | source]

java.lang.Object
   org.apache.commons.discovery.tools.DefaultClassHolder

Holder for a default class. Class may be specified by name (String) or class (Class). Using the holder complicates the users job, but minimized # of API's.

author: Richard - A. Sitze

Constructor:
public DefaultClassHolder(Class defaultClass) { this.defaultClass = defaultClass; this.defaultName = defaultClass.getName(); }
public DefaultClassHolder(String defaultName) { this.defaultClass = null; this.defaultName = defaultName; }

Constructor:

 public DefaultClassHolder(Class defaultClass) {
        this.defaultClass = defaultClass;
        this.defaultName = defaultClass.getName();
}

 public DefaultClassHolder(String defaultName) {
        this.defaultClass = null;
        this.defaultName = defaultName;
}

Method from org.apache.commons.discovery.tools.DefaultClassHolder Summary:
getDefaultClass, getDefaultName

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.commons.discovery.tools.DefaultClassHolder Detail:
public Class getDefaultClass(SPInterface spi, ClassLoaders loaders) { if (defaultClass == null) { DiscoverClasses classDiscovery = new DiscoverClasses(loaders); ResourceClassIterator classes = classDiscovery.findResourceClasses(getDefaultName()); if (classes.hasNext()) { ResourceClass info = classes.nextResourceClass(); try { defaultClass = info.loadClass(); } catch (Exception e) { // ignore } } } if (defaultClass != null) { spi.verifyAncestory(defaultClass); } return defaultClass; }
public String getDefaultName() { return defaultName; }

Method from org.apache.commons.discovery.tools.DefaultClassHolder Detail:

 public Class getDefaultClass(SPInterface spi,
    ClassLoaders loaders) {
        if (defaultClass == null) {
            DiscoverClasses classDiscovery = new DiscoverClasses(loaders);
            ResourceClassIterator classes = classDiscovery.findResourceClasses(getDefaultName());
            if (classes.hasNext()) {
                ResourceClass info = classes.nextResourceClass();
                try {
                    defaultClass = info.loadClass();
                } catch (Exception e) {
                    // ignore
                }
            }
        }
        if (defaultClass != null) {
            spi.verifyAncestory(defaultClass);
        }
        return defaultClass;
}

 public String getDefaultName() {
        return defaultName;
}