com.github.aistomin.xml.XmlResource Maven / Gradle / Ivy

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/**
 * Copyright (c) 2016, Istomin Andrei
 *
 * 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.github.aistomin.xml;

import java.nio.charset.StandardCharsets;
import org.apache.commons.io.IOUtils;

/**
 * XML file.
 *
 * @author Andrei Istomin ([email protected])
 * @version $Id$
 * @since 0.1
 */
public final class XmlResource implements Xml {

    /**
     * File name.
     */
    private final transient String name;

    /**
     * Ctor.
     * @param file File name.
     */
    public XmlResource(final String file) {
        this.name = file;
    }

    @Override
    public String content() throws Exception {
        return IOUtils.toString(
            Thread.currentThread().getContextClassLoader()
                .getResourceAsStream(this.name), StandardCharsets.UTF_8
        );
    }

    @Override
    public String field(final String xpath) throws Exception {
        return new XPath(xpath).valueFrom(this.content());
    }
}