org.requs.Docs Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, requs.org
* 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 requs.org 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 org.requs;
import com.jcabi.xml.XMLDocument;
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.CharEncoding;
import org.w3c.dom.Node;
import org.xembly.Directives;
import org.xembly.ImpossibleModificationException;
import org.xembly.Xembler;
/**
* Docs.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id$
* @since 1.2
*/
public interface Docs {
/**
* Get one doc.
* @param name Name of the document
* @return Doc
* @throws IOException If fails
*/
Doc get(String name) throws IOException;
/**
* In directory.
*/
final class InDir implements Docs {
/**
* Directory to keep files in.
*/
private final transient File dir;
/**
* Ctor.
* @param path Directory path
*/
public InDir(final File path) {
this.dir = path;
}
@Override
public Doc get(final String name) throws IOException {
final File file = new File(this.dir, name);
FileUtils.touch(file);
// @checkstyle AnonInnerLengthCheck (50 lines)
return new Doc() {
@Override
public void name(final String label, final String desc)
throws IOException {
final Doc index = Docs.InDir.this.get("index.xml");
final Node node = new XMLDocument(index.read()).node();
try {
new Xembler(
new Directives().xpath("/index").addIf("facets")
.add("facet").attr("id", label)
.add("file").set(name).up()
.add("description").set(desc)
).apply(node);
} catch (final ImpossibleModificationException ex) {
throw new IllegalStateException(ex);
}
index.write(new XMLDocument(node).toString());
}
@Override
public String read() throws IOException {
return FileUtils.readFileToString(file, CharEncoding.UTF_8);
}
@Override
public void write(final String content) throws IOException {
FileUtils.write(file, content, CharEncoding.UTF_8);
}
};
}
}
}