com.subakva.formicid.converters.ManifestConverter.java Source code

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Here is the source code for com.subakva.formicid.converters.ManifestConverter.java

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/*
 * Copyright 2007 Jason Wadsworth
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.subakva.formicid.converters;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

import com.subakva.formicid.Container;

import org.apache.commons.beanutils.ConversionException;
import org.apache.commons.beanutils.Converter;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Manifest;
import org.apache.tools.ant.taskdefs.ManifestException;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.Undefined;

public class ManifestConverter implements Converter {

    private final Container container;

    public ManifestConverter(Container container) {
        this.container = container;
    }

    protected Project getProject() {
        return container.getProject();
    }

    public Manifest convert(Class type, Object value) {
        if (value == null || value.equals(Undefined.instance)) {
            throw new ConversionException("No value specified");
        }
        if (value instanceof Manifest) {
            return (Manifest) value;
        } else if (value instanceof String) {
            try {
                Manifest manifest = new Manifest(new FileReader(new File((String) value)));
                return manifest;
            } catch (FileNotFoundException e) {
                throw new RuntimeException(e);
            } catch (ManifestException e) {
                throw new RuntimeException(e);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        } else if (value instanceof Scriptable) {
            Manifest manifest = new Manifest();
            Scriptable props = (Scriptable) value;
            Object[] ids = props.getIds();
            for (int i = 0; i < ids.length; i++) {
                try {
                    String attrValue = (String) ids[i];
                    String attrName = (String) props.get(attrValue, props);
                    Manifest.Attribute attr = new Manifest.Attribute(attrValue, attrName);
                    manifest.addConfiguredAttribute(attr);
                } catch (ManifestException e) {
                    throw new RuntimeException(e);
                }
            }
            return manifest;
        } else {
            throw new ConversionException("" + value);
        }
    }
}