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/**
 * Copyright (c) 2012-2017, jcabi.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met: 1) Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer. 2) Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided
 * with the distribution. 3) Neither the name of the jcabi.com nor
 * the names of its contributors may be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jcabi.xml;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.nio.charset.Charset;
import org.cactoos.Func;
import org.cactoos.Input;
import org.cactoos.io.ResourceOf;
import org.cactoos.text.TextOf;
import org.w3c.dom.ls.LSInput;

/**
 * {@link LSInput} implementation used by {@link ClasspathResolver}.
 *
 * @author Adam Siemion ([email protected])
 * @version $Id: 4226ea665413f8f537e84a14d485211b378c644a $
 * @since 0.1
 */
final class ClasspathInput implements LSInput {

    /**
     * Public Id.
     */
    private transient String publicid;
    /**
     * System Id.
     */
    private transient String systemid;

    /**
     * Constructor.
     * @param pubid Public id
     * @param sysid System id
     */
    ClasspathInput(final String pubid, final String sysid) {
        this.publicid = pubid;
        this.systemid = sysid;
    }

    @Override
    public String getPublicId() {
        return this.publicid;
    }

    @Override
    public void setPublicId(final String pubid) {
        this.publicid = pubid;
    }

    @Override
    public String getSystemId() {
        return this.systemid;
    }

    @Override
    public void setSystemId(final String sysid) {
        this.systemid = sysid;
    }

    @Override
    public String getBaseURI() {
        return null;
    }

    @Override
    public InputStream getByteStream() {
        return null;
    }

    @Override
    @SuppressWarnings("PMD.BooleanGetMethodName")
    public boolean getCertifiedText() {
        return false;
    }

    @Override
    public Reader getCharacterStream() {
        return null;
    }

    @Override
    public String getEncoding() {
        return null;
    }

    @Override
    public String getStringData() {
        try {
            return new TextOf(
                new ResourceOf(
                    this.systemid,
                    new Func() {
                        @Override
                        public Input apply(final CharSequence path) {
                            throw new IllegalArgumentException(
                                String.format(
                                    // @checkstyle LineLength (1 line)
                                    "SystemID \"%s\" resource does not exist or can't be opened.",
                                    path
                                )
                            );
                        }
                    }
                ),
                Charset.forName("UTF-8")
            ).asString();
        } catch (final IOException ex) {
            throw new IllegalArgumentException(
                String.format(
                    "Unable to read input stream of SystemID \"%s\"",
                    this.systemid
                ),
                ex
            );
        }
    }

    @Override
    public void setBaseURI(final String baseuri) {
        // intentionally empty
    }

    @Override
    public void setByteStream(final InputStream bytestream) {
        // intentionally empty
    }

    @Override
    public void setCertifiedText(final boolean certifiedtext) {
        // intentionally empty
    }

    @Override
    public void setCharacterStream(final Reader characterstream) {
        // intentionally empty
    }

    @Override
    public void setEncoding(final String encoding) {
        // intentionally empty
    }

    @Override
    public void setStringData(final String stringdata) {
        // intentionally empty
    }
}