org.requs.XeFacet Maven / Gradle / Ivy
/*
* Copyright (c) 2009-2021, Yegor Bugayenko
* 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.aspects.Immutable;
import com.jcabi.aspects.Loggable;
import com.jcabi.immutable.Array;
import com.jcabi.xml.XML;
import com.jcabi.xml.XMLDocument;
import java.io.IOException;
import java.util.Collections;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import org.w3c.dom.Node;
import org.xembly.Directive;
import org.xembly.ImpossibleModificationException;
import org.xembly.Xembler;
/**
* Xembly producing facet.
*
* @since 1.9
*/
@Immutable
public interface XeFacet {
/**
* Touch the spec from this facet.
* @param spec Spec in XML
* @return Directives
* @throws IOException If fails on I/O operation
* @since 1.9
*/
Iterable touch(XML spec) throws IOException;
/**
* Wrap into Facet.
*
* @since 1.9
*/
@Immutable
@ToString
@EqualsAndHashCode(of = "origin")
@Loggable(Loggable.DEBUG)
final class Wrap implements Facet {
/**
* Original facet.
*/
private final transient XeFacet origin;
/**
* Ctor.
* @param fct Original facet
*/
public Wrap(final XeFacet fct) {
this.origin = fct;
}
@Override
public XML touch(final XML spec) throws IOException {
final Node node = spec.node();
final Iterable dirs = this.origin.touch(spec);
try {
new Xembler(dirs).apply(node);
} catch (final ImpossibleModificationException ex) {
throw new IllegalStateException(
String.format("failed to apply: %s", dirs), ex
);
}
return new XMLDocument(node);
}
}
/**
* Always returns the same.
*
* @since 1.9
*/
@Immutable
@ToString(of = { })
@EqualsAndHashCode(of = "dirs")
@Loggable(Loggable.DEBUG)
final class Fixed implements XeFacet {
/**
* Dirs.
*/
private final transient Array dirs;
/**
* Ctor.
* @param list List of directives
*/
public Fixed(final Iterable list) {
this.dirs = new Array(list);
}
@Override
public Iterable touch(final XML spec) {
return Collections.unmodifiableCollection(this.dirs);
}
}
}