top.marchand.xml.maven.catalog.Catalog Maven / Gradle / Ivy
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This plugin generates a OASIS catalog, which redirects all <artifactId>: URLs to appropriate jar
/*
* Copyright 2001-2005 The Apache Software Foundation.
*
* 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 top.marchand.xml.maven.catalog;
import top.marchand.xml.maven.catalog.model.CatalogModel;
import top.marchand.xml.maven.catalog.model.RewriteSystemModel;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javanet.staxutils.IndentingXMLStreamWriter;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.apache.maven.shared.dependency.graph.DependencyGraphBuilder;
import org.apache.maven.shared.dependency.graph.DependencyGraphBuilderException;
import org.apache.maven.shared.dependency.graph.DependencyNode;
import org.apache.maven.shared.dependency.graph.traversal.DependencyNodeVisitor;
import com.google.common.base.Joiner;
import java.util.HashMap;
import net.sf.saxon.Configuration;
import net.sf.saxon.s9api.DocumentBuilder;
import net.sf.saxon.s9api.Processor;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.XPathCompiler;
import net.sf.saxon.s9api.XPathSelector;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.XdmSequenceIterator;
import net.sf.saxon.s9api.XdmValue;
/**
* Generates a catalog, based on dependency tree, where each dependency is re-written to the jar URL.
*/
@Mojo(
name = "catalog",
defaultPhase = LifecyclePhase.PROCESS_RESOURCES,
requiresDependencyResolution = ResolutionScope.COMPILE)
public class Catalog extends AbstractMojo {
@Parameter( defaultValue = "${project}", readonly = true, required = true )
private MavenProject project;
@Parameter( defaultValue = "catalog.xml")
private String catalogFileName;
@Parameter (defaultValue = "artifactId:/")
private String patternUrl;
@Parameter()
private String rewriteToProtocol;
@Component( hint = "default" )
private DependencyGraphBuilder dependencyGraphBuilder;
private DependencyNode rootNode;
private HashMap dependencyDirs;
private DocumentBuilder builder;
private XPathCompiler compiler;
@Override
public void execute() throws MojoExecutionException {
dependencyDirs = new HashMap<>();
Processor proc = new Processor(Configuration.newConfiguration());
builder = proc.newDocumentBuilder();
compiler = proc.newXPathCompiler();
if(rewriteToProtocol!=null && !rewriteToProtocol.endsWith(":/")) {
rewriteToProtocol=rewriteToProtocol.concat(":/");
}
if(!patternUrl.endsWith(":/")) {
throw new MojoExecutionException("Illegal patternUrl value. patternUrl must end with :/");
}
final List classpaths;
try {
classpaths = new ArrayList<>(project.getCompileClasspathElements().size());
for(Object i:project.getCompileClasspathElements()) {
classpaths.add(i.toString());
}
getLog().debug(LOG_PREFIX+"classpaths="+classpaths);
try {
rootNode = dependencyGraphBuilder.buildDependencyGraph( project, buildArtifactFilter() );
final CatalogModel catalog = new CatalogModel();
DependencyNodeVisitor visitor = new DependencyNodeVisitor() {
@Override
public boolean visit(DependencyNode dn) {
getLog().debug(LOG_PREFIX+"Visiting "+dn.toNodeString());
if(!dn.getArtifact().equals(project.getArtifact())) {
processDependency(dn, classpaths, catalog);
}
return true;
}
@Override
public boolean endVisit(DependencyNode dn) {
return true;
}
};
rootNode.accept(visitor);
writeCatalog(catalog);
getLog().debug(LOG_PREFIX+catalog.toString());
} catch (XMLStreamException | IOException | DependencyGraphBuilderException ex) {
getLog().error(LOG_PREFIX+ex.getMessage(),ex);
}
} catch(DependencyResolutionRequiredException ex) {
getLog().error(LOG_PREFIX+ex.getMessage(),ex);
}
}
private void processDependency(DependencyNode dn, List classpaths, CatalogModel catalog) {
String artifactId = dn.getArtifact().getArtifactId();
String groupId = dn.getArtifact().getGroupId();
String version = dn.getArtifact().getVersion();
if(rewriteToProtocol!=null && rewriteToProtocol.length()>1) {
RewriteSystemModel rsm = new RewriteSystemModel(buildPattern(groupId,artifactId,version), rewriteToProtocol);
if(!catalog.containsUriStartPrefix(rsm.getUriStartPrefix())) {
catalog.getEntries().add(rsm);
}
} else {
try {
String jarFileName = null;
if(isInJarWithDependencies(dn)) {
getLog().debug(LOG_PREFIX+artifactId+" is in a jar-with-dependencies");
jarFileName = getJarFileForJarWithDependency(dn, classpaths);
} else {
getLog().debug(LOG_PREFIX+artifactId+" is in a jar");
String artifactPath = constructArtifactPath(dn.getArtifact());
getLog().debug(LOG_PREFIX+"artifactPath= "+artifactPath);
for(String s:classpaths) {
if(s.contains(artifactPath)) {
jarFileName = s;
} else if(s.endsWith("target/classes") || s.matches(".*[/\\\\]target[/\\\\][^/\\\\]+\\.jar")) {
// issue #2
getLog().debug("found classpath : "+s);
// dir should be the project basedir
File dir = new File(s).getParentFile().getParentFile();
if(isPathMatchesDependency(dir,groupId, artifactId, version)) {
jarFileName = s;
} else {
getLog().debug(LOG_PREFIX+s+" does not match ("+dir.getAbsolutePath()+","+groupId+","+artifactId+","+version+")");
getLog().debug(LOG_PREFIX+artifactId+":/ won't be bind to a classpath element");
}
}
}
}
getLog().debug(LOG_PREFIX+artifactId+" -> "+jarFileName);
if(jarFileName!=null) {
RewriteSystemModel rsm = (jarFileName.endsWith(".jar")) ?
new RewriteSystemModel(buildPattern(groupId,artifactId,version), "jar:file:"+jarFileName+"!/") :
new RewriteSystemModel(buildPattern(groupId,artifactId,version), new File(jarFileName).toURI().toString());
if(!catalog.containsUriStartPrefix(rsm.getUriStartPrefix())) {
catalog.getEntries().add(rsm);
}
}
} catch (OverConstrainedVersionException ex) {
getLog().error(LOG_PREFIX+ex.getMessage(), ex);
}
}
}
boolean isPathMatchesDependency(final File dir, final String groupId, final String artifactId, final String version) {
MyArtifact art = dependencyDirs.get(dir);
if(art==null) {
art=loadArtifactFromDir(dir);
if(art!=null) {
dependencyDirs.put(dir,art);
return groupId.equals(art.getGroupId()) && artifactId.equals(art.getArtifactId()) && version.equals(art.getVersion());
} else {
return false;
}
} else {
return groupId.equals(art.getGroupId()) && artifactId.equals(art.getArtifactId()) && version.equals(art.getVersion());
}
}
MyArtifact loadArtifactFromDir(final File dir) {
try {
XdmNode pom = builder.build(new File(dir,"pom.xml"));
compiler.declareNamespace("mvn", "http://maven.apache.org/POM/4.0.0");
XPathSelector selector = compiler.compile("/mvn:project/(mvn:groupId | mvn:artifactId | mvn:version)").load();
selector.setContextItem(pom);
XdmValue ret = selector.evaluate();
String groupId=null, artifactId=null, version=null;
for(XdmSequenceIterator it=ret.iterator();it.hasNext();) {
XdmNode node=(XdmNode)it.next();
switch(node.getNodeName().getLocalName()) {
case "groupId": groupId = node.getStringValue(); break;
case "artifactId": artifactId = node.getStringValue(); break;
case "version": version = node.getStringValue();
}
}
if(version==null || groupId==null) {
String relativePath = "../pom.xml";
// case where version is in parent pom. Look for it...
XPathSelector selector2 = compiler.compile("/mvn:project/mvn:parent/mvn:relativePath").load();
selector2.setContextItem(pom);
XdmValue vRelativePath = selector2.evaluate();
if(vRelativePath.size()>0) {
getLog().debug("vRelativePath is a "+vRelativePath.getClass().getName());
getLog().debug("vRelativePath is "+vRelativePath.size()+" long");
getLog().debug("vRelativePath: "+vRelativePath.toString());
relativePath = ((XdmNode)vRelativePath).getStringValue();
}
File parentPomFile = new File(dir, relativePath);
if(parentPomFile.isDirectory()) {
parentPomFile = new File(parentPomFile, "pom.xml");
}
if(version==null) {
XPathSelector versionSelector = compiler.compile("/mvn:project/mvn:version").load();
versionSelector.setContextItem(builder.build(parentPomFile));
version = ((XdmNode)versionSelector.evaluate()).getStringValue();
}
if(groupId==null) {
XPathSelector groupIdSelector = compiler.compile("/mvn:project/mvn:groupId").load();
groupIdSelector.setContextItem(builder.build(parentPomFile));
groupId = ((XdmNode)groupIdSelector.evaluate()).getStringValue();
}
}
MyArtifact art = new MyArtifact(groupId, artifactId, version);
getLog().debug(art.toString());
return art;
} catch (SaxonApiException ex) {
getLog().error("in loadArtifactFromDir", ex);
return null;
}
}
String buildPattern(final String groupId, final String artifactId, final String version) {
StringBuilder sb = new StringBuilder();
for(int i=0; i");
writer.setDefaultNamespace("urn:oasis:names:tc:entity:xmlns:xml:catalog");
writer.writeStartElement(CATALOG_NS, "catalog");
writer.writeAttribute("xmlns", CATALOG_NS);
for(RewriteSystemModel rsm:catalog.getEntries()) {
writer.writeStartElement(CATALOG_NS, "rewriteURI");
writer.writeAttribute("uriStartString", rsm.getUriStartPrefix());
writer.writeAttribute("rewritePrefix", rsm.getRewritePrefix());
writer.writeEndElement();
writer.writeStartElement(CATALOG_NS, "rewriteSystem");
writer.writeAttribute("systemIdStartString", rsm.getUriStartPrefix());
writer.writeAttribute("rewritePrefix", rsm.getRewritePrefix());
writer.writeEndElement();
}
writer.writeEndElement();
writer.writeEndDocument();
fos.flush();
}
}
private ArtifactFilter buildArtifactFilter() {
return new ArtifactFilter() {
@Override
public boolean include(Artifact artfct) {
return true;
}
};
}
private static final transient String LOG_PREFIX = "[catalog] ";
private static final transient String CATALOG_NS = "urn:oasis:names:tc:entity:xmlns:xml:catalog";
/**
* Return true if the dependency or one of its ancestor has a classifier in {@link #ACCEPTABLE_JAR_WITH_DEPENDENCIES_CLASSIFIERS}.
* @param dn The dependency to check
* @return true or false...
*/
private boolean isInJarWithDependencies(DependencyNode dn) {
getLog().debug(LOG_PREFIX+" looking for parentry of "+dn.getArtifact().toString());
String classifier = dn.getArtifact().getClassifier();
getLog().debug(LOG_PREFIX+"classifier="+classifier);
if( classifier!=null && Arrays.binarySearch(ACCEPTABLE_JAR_WITH_DEPENDENCIES_CLASSIFIERS, classifier)>=0) {
getLog().debug(LOG_PREFIX+" return true");
return true;
}
if(dn.getParent()==null) {
getLog().debug(LOG_PREFIX+"no parent, return false");
return false;
}
return isInJarWithDependencies(dn.getParent());
}
private String getJarFileForJarWithDependency(final DependencyNode dn, List classpthElements) throws OverConstrainedVersionException {
if(dn==null) return null;
String lastFound = null;
DependencyNode currentDn = dn;
while(currentDn!=null) {
String classifier = currentDn.getArtifact().getClassifier();
if(classifier==null || Arrays.binarySearch(ACCEPTABLE_JAR_WITH_DEPENDENCIES_CLASSIFIERS, classifier)>=0) {
String artifactPath = constructArtifactPath(currentDn.getArtifact());
for(String s:classpthElements) {
if(s.contains(artifactPath)) {
lastFound=s;
break;
}
}
}
currentDn = currentDn.getParent();
}
return lastFound;
}
private final static String[] ACCEPTABLE_JAR_WITH_DEPENDENCIES_CLASSIFIERS = new String[] {
"jar-with-dependencies",
"jar-with-dependencies-and-model"
};
private String constructArtifactPath(Artifact art) throws OverConstrainedVersionException {
String groups[] = art.getGroupId().split("\\.");
getLog().debug(LOG_PREFIX+"groups="+Arrays.toString(groups));
String artifacts[] = art.getArtifactId().split("\\.");
getLog().debug(LOG_PREFIX+"artifacts="+Arrays.toString(artifacts));
String[] elements = new String[groups.length + artifacts.length + 1];
System.arraycopy(groups, 0, elements, 0, groups.length);
System.arraycopy(artifacts, 0, elements, groups.length, artifacts.length);
getLog().debug(LOG_PREFIX+"artifact.baseVersion="+art.getBaseVersion());
elements[elements.length-1] = art.getBaseVersion();
return Joiner.on(File.separator).skipNulls().join(elements);
}
/**
* for UT only
* @param patternUrl
*/
void setPatternUrl(String patternUrl) {
this.patternUrl = patternUrl;
}
private class MyArtifact {
private final String groupId, artifactId, version;
public MyArtifact(final String groupId, final String artifactId, final String version) {
super();
this.groupId=groupId;
this.artifactId=artifactId;
this.version=version;
}
public String getGroupId() { return groupId; }
public String getArtifactId() { return artifactId; }
public String getVersion() { return version; }
@Override
public String toString() {
return String.format("artifact[%s,%s,%s]", groupId, artifactId, version);
}
}
}
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