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XmlGraph.java
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XmlGraph.java
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/*
* The MIT License (MIT)
*
* Copyright (c) 2017-2019 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.jpeek.graph;
import com.jcabi.xml.XML;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.cactoos.list.ListOf;
import org.cactoos.map.MapOf;
import org.cactoos.scalar.Sticky;
import org.cactoos.scalar.Unchecked;
import org.cactoos.text.Joined;
import org.jpeek.skeleton.Skeleton;
/**
* Graph implementation built on skeleton.
* @since 0.30.9
* @todo #441:30min Continue the work started with extracting XmlMethodCall
* and XmlMethodArgs and extract more code from this class pertaining
* to serializing XML to string. The objective is to have tested classes
* and to remove the checkstyle suppression below.
* @checkstyle ClassDataAbstractionCouplingCheck (500 lines)
*/
public final class XmlGraph implements Graph {
/**
* List of the nodes of this graph.
*/
private final Unchecked<List<Node>> nds;
/**
* Ctor.
* @param skeleton XMl representation on whiwh to build the graph
* @throws IOException If fails
*/
public XmlGraph(final Skeleton skeleton) throws IOException {
this.nds = new Unchecked<>(
new Sticky<>(
() -> XmlGraph.build(skeleton)
)
);
}
@Override
public List<Node> nodes() {
return this.nds.value();
}
/**
* Builds the graph from the skeleton.
* @param skeleton XML representation on whiwh to build the graph
* @return List of nodes
* @throws IOException If fails
*/
private static List<Node> build(final Skeleton skeleton) throws IOException {
final Map<XML, Node> byxml = new org.cactoos.map.Sticky<>(
method -> method,
method -> new Node.Simple(
new Joined(
"", skeleton.xml().xpath("//class/@id").get(0),
".", method.xpath("@name").get(0),
".", new XmlMethodArgs(method).asString()
).asString()
), skeleton.xml().nodes(
"//methods/method[@ctor='false' and @abstract='false']"
)
);
final Map<String, Node> byname = new MapOf<>(
node -> node.name(),
node -> node,
byxml.values()
);
for (final XML method : byxml.keySet()) {
final List<XML> calls = method.nodes("ops/op[@code='call']");
final Node caller = byxml.get(method);
for (final XML call : calls) {
final String name = new XmlMethodCall(call).asString();
if (byname.containsKey(name)) {
final Node callee = byname.get(name);
caller.connections().add(callee);
callee.connections().add(caller);
}
}
}
return new ListOf<>(byxml.values());
}
}