jetbrick.io.resource.JbossVfsResource Maven / Gradle / Ivy

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/**
 * Copyright 2013-2016 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 *   Author: Guoqiang Chen
 *    Email: [email protected]
 *   WebURL: https://github.com/subchen
 *
 * 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 jetbrick.io.resource;

import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import jetbrick.util.ExceptionUtils;

// jboss/wildfly vfs url
public final class JbossVfsResource extends AbstractResource {
    private final Object resource;

    public JbossVfsResource(URL url) {
        this.resource = vfsInvokeMethod(VFS_METHOD_GET_ROOT_URL, null, new Object[] { url });
        this.relativePathName = getURL().toString();
    }

    private JbossVfsResource(Object resource) {
        this.resource = resource;
        this.relativePathName = getURL().toString();
    }

    @Override
    public InputStream openStream() {
        if (resource == null) {
            throw new ResourceNotFoundException();
        }

        InputStream is = (InputStream) vfsInvokeMethod(VIRTUAL_FILE_METHOD_OPEN_STREAM, resource, EMPTY_PARAMETERS);
        if (is == null) {
            throw new ResourceNotFoundException(getURL().toString());
        }
        return is;
    }

    @Override
    public File getFile() {
        return (File) vfsInvokeMethod(VIRTUAL_FILE_METHOD_GET_PHYSICAL_FILE, resource, EMPTY_PARAMETERS);
    }

    @Override
    public URI getURI() {
        return (URI) vfsInvokeMethod(VIRTUAL_FILE_METHOD_TO_URI, resource, EMPTY_PARAMETERS);
    }

    @Override
    public URL getURL() {
        return (URL) vfsInvokeMethod(VIRTUAL_FILE_METHOD_TO_URL, resource, EMPTY_PARAMETERS);
    }

    @Override
    public boolean isDirectory() {
        return (Boolean) vfsInvokeMethod(VIRTUAL_FILE_METHOD_IS_DIRECTORY, resource, EMPTY_PARAMETERS);
    }

    @Override
    public boolean isFile() {
        return (Boolean) vfsInvokeMethod(VIRTUAL_FILE_METHOD_IS_FILE, resource, EMPTY_PARAMETERS);
    }

    @Override
    public String getFileName() {
        return (String) vfsInvokeMethod(VIRTUAL_FILE_METHOD_GET_NAME, resource, EMPTY_PARAMETERS);
    }

    @Override
    public boolean exist() {
        return (Boolean) vfsInvokeMethod(VIRTUAL_FILE_METHOD_EXISTS, resource, EMPTY_PARAMETERS);
    }

    @Override
    public long length() {
        return (Long) vfsInvokeMethod(VIRTUAL_FILE_METHOD_GET_SIZE, resource, EMPTY_PARAMETERS);
    }

    @Override
    public long lastModified() {
        return (Long) vfsInvokeMethod(VIRTUAL_FILE_METHOD_GET_LAST_MODIFIED, resource, EMPTY_PARAMETERS);
    }

    public List getChildren() {
        @SuppressWarnings("unchecked")
        List