Example usage for org.apache.commons.digester3.plugins PluginCreateRule PluginCreateRule

Introduction

In this page you can find the example usage for org.apache.commons.digester3.plugins PluginCreateRule PluginCreateRule.

Prototype

public PluginCreateRule(Class<?> baseClass) 

Source Link

Document

Create a plugin rule where the user must specify a plugin-class or plugin-id.

Usage

From source file:org.apache.commons.digester3.examples.plugins.pipeline.CompoundTransform.java

public static void addRules(Digester d, String patternPrefix) {
    PluginCreateRule pcr = new PluginCreateRule(Transform.class);
    d.addRule(patternPrefix + "/subtransform", pcr);
    d.addSetNext(patternPrefix + "/subtransform", "addTransform");
}

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From source file:org.apache.commons.digester3.examples.plugins.pipeline.Pipeline.java

public static void main(String[] args) {
    if (args.length != 1) {
        System.err.println("usage: pipeline config-file");
        System.exit(-1);// w ww  . j  av a2  s  . c  o m
    }
    String configFile = args[0];

    Digester digester = new Digester();
    PluginRules rc = new PluginRules();
    digester.setRules(rc);

    digester.addObjectCreate("pipeline", Pipeline.class);

    digester.addCallMethod("pipeline/source", "setSource", 1);
    digester.addCallParam("pipeline/source", 0, "file");

    PluginCreateRule pcr = new PluginCreateRule(Transform.class);
    digester.addRule("pipeline/transform", pcr);
    digester.addSetNext("pipeline/transform", "setTransform");

    digester.addCallMethod("pipeline/destination", "setDest", 1);
    digester.addCallParam("pipeline/destination", 0, "file");

    Pipeline pipeline = null;
    try {
        pipeline = digester.parse(configFile);
    } catch (Exception e) {
        System.err.println("oops exception occurred during parse.");
        e.printStackTrace();
        System.exit(-1);
    }

    try {
        pipeline.execute();
    } catch (Exception e) {
        System.err.println("oops exception occurred during pipeline execution.");
        e.printStackTrace();
        System.exit(-1);
    }
}

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