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package org.fedoraproject.maven.artifact.repository;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.xml.sax.InputSource;
public class MavenJPackageDepmap {
private static MavenJPackageDepmap instance;
private static Hashtable jppArtifactMap;
private MavenJPackageDepmap() {
jppArtifactMap = new Hashtable();
buildJppArtifactMap();
}
public static MavenJPackageDepmap getInstance() {
if (instance == null) {
instance = new MavenJPackageDepmap();
}
return instance;
}
public Hashtable getMappedInfo(Hashtable mavenDep) {
return getMappedInfo((String) mavenDep.get("group"),
(String) mavenDep.get("artifact"),
(String) mavenDep.get("version"));
}
public Hashtable getMappedInfo(String groupId, String artifactId, String version) {
Hashtable jppDep;
String idToCheck, jppCombination;
if (System.getProperty("maven2.ignore.versions") == null && System.getProperty("maven2.jpp.mode") == null) {
idToCheck = groupId+","+artifactId+","+version;
} else {
idToCheck = groupId+","+artifactId;
}
jppCombination = (String) jppArtifactMap.get(idToCheck);
//System.err.println("*** " + groupId+","+artifactId+","+version + " => " + jppCombination);
jppDep = new Hashtable();
if (jppCombination != null && jppCombination != "") {
StringTokenizer st = new StringTokenizer(jppCombination, ",");
jppDep.put("group", st.nextToken());
jppDep.put("artifact",st.nextToken());
jppDep.put("version",st.nextToken());
} else {
jppDep.put("group", groupId);
jppDep.put("artifact", artifactId);
jppDep.put("version", version);
}
return jppDep;
}
/**
* Returns whether or not the given dependency should be dropped.
*/
public boolean shouldEliminate(String groupId, String artifactId, String version) {
String idToCheck;
if (System.getProperty("maven2.ignore.versions") == null && System.getProperty("maven2.jpp.mode") == null) {
idToCheck = groupId+","+artifactId+","+version;
} else {
idToCheck = groupId+","+artifactId;
}
return jppArtifactMap.get(idToCheck) != null && jppArtifactMap.get(idToCheck).equals("");
}
private static void buildJppArtifactMap() {
if (System.getProperty("maven2.ignore.versions") != null || System.getProperty("maven2.jpp.mode") != null) {
debug("Processing file: /usr/share/java-utils/xml/maven2-versionless-depmap.xml");
processDepmapFile("/etc/maven/maven2-versionless-depmap.xml");
}
debug("Processing file: /usr/share/java-utils/xml/maven2-depmap.xml");
processDepmapFile("/etc/maven/maven2-depmap.xml");
String customFileName = System.getProperty("maven2.jpp.depmap.file", null);
if (customFileName != null) {
debug("Processing file: " + customFileName);
processDepmapFile(customFileName);
}
}
private static void processDepmapFile(String fileName) {
Document mapDocument;
try {
mapDocument = (new SAXBuilder()).build(new InputSource(new FileInputStream(fileName)));
} catch (FileNotFoundException fnfe) {
System.err.println("ERROR: Unable to find map file: " + fileName);
fnfe.printStackTrace();
return;
} catch (IOException ioe) {
System.err.println("ERROR: I/O exception occured when opening map file");
ioe.printStackTrace();
return;
} catch (JDOMException jde) {
System.err.println("ERROR: Unable to instantiate parser");
jde.printStackTrace();
return;
}
List l = mapDocument.getRootElement().getChildren("dependency");
Iterator i = l.iterator();
while (i.hasNext()) {
Element depElement = (Element) i.next();
Element mElem = depElement.getChild("maven");
Element jppElem = depElement.getChild("jpp");
String mG = mElem.getChildText("groupId");
String mA = mElem.getChildText("artifactId");
String mV = mElem.getChildText("version");
// jppElem == null => drop this dependency
if (jppElem != null) {
String jppG = jppElem.getChildText("groupId");
String jppA = jppElem.getChildText("artifactId");
String jppV = jppElem.getChildText("version");
if (System.getProperty("maven2.ignore.versions") == null && System.getProperty("maven2.jpp.mode") == null) {
debug("*** Adding: " + mG+","+mA+","+mV + " => " + jppG+","+jppA+","+jppV + " to map...");
jppArtifactMap.put(mG+","+mA+","+mV, jppG+","+jppA+","+jppV);
} else {
debug("*** Adding: " + mG+","+mA + " => " + jppG+","+jppA+","+jppV + " to map...");
jppArtifactMap.put(mG+","+mA, jppG+","+jppA+","+jppV);
}
} else {
debug("*** Adding: " + mG+","+mA+"," + " => " + "JPP/maven2,empty-dep,"+mV + " to map...");
jppArtifactMap.put(mG+","+mA, "JPP/maven2,empty-dep,"+mV);
}
}
}
private static void debug(String msg) {
if (System.getProperty("maven2.jpp.debug") != null)
System.err.println(msg);
}
}
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