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Viewing changes to hawtjni-generator/src/main/java/org/fusesource/hawtjni/generator/ConstantsGenerator.java

  • Committer: Bazaar Package Importer
  • Author(s): Miguel Landaeta
  • Date: 2010-08-05 19:40:25 UTC
  • Revision ID: james.westby@ubuntu.com-20100805194025-3004hn889accwu2i
Tags: upstream-1.0~+git0c502e20c4
Import upstream version 1.0~+git0c502e20c4

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hawtjni-generator/src/main/java/org/fusesource/hawtjni/generator/ConstantsGenerator.java
 
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/*******************************************************************************
 
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 * Copyright (c) 2009 Progress Software, Inc.
 
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 * Copyright (c) 2004 IBM Corporation and others.
 
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 *
 
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 * All rights reserved. This program and the accompanying materials
 
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 * are made available under the terms of the Eclipse Public License v1.0
 
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 * which accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 *******************************************************************************/
 
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package org.fusesource.hawtjni.generator;
 
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import java.lang.reflect.Modifier;
 
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import java.util.List;
 
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import org.fusesource.hawtjni.generator.model.JNIClass;
 
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import org.fusesource.hawtjni.generator.model.JNIField;
 
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import org.fusesource.hawtjni.generator.model.JNIType;
 
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import org.fusesource.hawtjni.generator.model.ReflectClass;
 
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/**
 
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 * 
 
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 * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
 
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 */
 
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public class ConstantsGenerator extends JNIGenerator {
 
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    public void generate(JNIClass clazz) {
 
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        List<JNIField> fields = clazz.getDeclaredFields();
 
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        generate(fields);
 
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    }
 
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    public void generate(List<JNIField> fields) {
 
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        sortFields(fields);
 
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        outputln("int main() {");
 
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        for (JNIField field : fields) {
 
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            if ((field.getModifiers() & Modifier.FINAL) == 0)
 
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                continue;
 
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            generate(field);
 
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        }
 
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        outputln("}");
 
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    }
 
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    public void generate(JNIField field) {
 
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        JNIType type = field.getType();
 
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        output("\tprintf(\"public static final ");
 
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        output(field.getType().getTypeSignature3(false));
 
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        output(" ");
 
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        output(field.getName());
 
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        output(" = ");
 
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        if (type.isType("java.lang.String") || type.isType("[B"))
 
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            output("\"%s\"");
 
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        else
 
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            output("0x%x");
 
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        output(";\\n\", ");
 
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        output(field.getName());
 
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        outputln(");");
 
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    }
 
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    public static void main(String[] args) {
 
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        if (args.length < 1) {
 
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            System.out.println("Usage: java ConstantsGenerator <className1> <className2>");
 
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            return;
 
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        }
 
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        try {
 
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            ConstantsGenerator gen = new ConstantsGenerator();
 
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            for (String clazzName : args) {
 
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                Class<?> clazz = Class.forName(clazzName);
 
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                gen.generate(new ReflectClass(clazz));
 
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            }
 
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        } catch (Exception e) {
 
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            System.out.println("Problem");
 
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            e.printStackTrace(System.out);
 
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        }
 
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    }
 
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}