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improved error handling

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Former-commit-id: f5086f9ebae6dab987fedf5e87d885c243af188e
This commit is contained in:
Jeremy Long
2014-04-11 06:38:13 -04:00
parent f23da0dd5a
commit 1ff45c8e02
1 changed files with 35 additions and 33 deletions
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68
dependency-check-core/src/main/java/org/owasp/dependencycheck/data/nexus/NexusSearch.java
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@@ -21,7 +21,6 @@ import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.DocumentBuilder;
@@ -102,8 +101,7 @@ public class NexusSearch {
// 2) Otherwise, don't use the proxy (either the proxy isn't configured,
// or proxy is specifically
// set to false
URLConnection conn = null;
conn = URLConnectionFactory.createHttpURLConnection(url, useProxy);
final HttpURLConnection conn = URLConnectionFactory.createHttpURLConnection(url, useProxy);
conn.setDoOutput(true);
@@ -112,36 +110,40 @@ public class NexusSearch {
conn.addRequestProperty("Accept", "application/xml");
conn.connect();
try {
final DocumentBuilder builder = DocumentBuilderFactory
.newInstance().newDocumentBuilder();
final Document doc = builder.parse(conn.getInputStream());
final XPath xpath = XPathFactory.newInstance().newXPath();
final String groupId = xpath
.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/groupId",
doc);
final String artifactId = xpath.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/artifactId",
doc);
final String version = xpath
.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/version",
doc);
final String link = xpath
.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/artifactLink",
doc);
return new MavenArtifact(groupId, artifactId, version, link);
} catch (FileNotFoundException fnfe) {
/* This is what we get when the SHA1 they sent doesn't exist in
* Nexus. This is useful upstream for recovery, so we just re-throw it
*/
throw fnfe;
} catch (Throwable e) {
// Anything else is jacked-up XML stuff that we really can't recover
// from well
throw new IOException(e.getMessage(), e);
if (conn.getResponseCode() == 200) {
try {
final DocumentBuilder builder = DocumentBuilderFactory
.newInstance().newDocumentBuilder();
final Document doc = builder.parse(conn.getInputStream());
final XPath xpath = XPathFactory.newInstance().newXPath();
final String groupId = xpath
.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/groupId",
doc);
final String artifactId = xpath.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/artifactId",
doc);
final String version = xpath
.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/version",
doc);
final String link = xpath
.evaluate(
"/org.sonatype.nexus.rest.model.NexusArtifact/artifactLink",
doc);
return new MavenArtifact(groupId, artifactId, version, link);
} catch (Throwable e) {
// Anything else is jacked-up XML stuff that we really can't recover
// from well
throw new IOException(e.getMessage(), e);
}
} else if (conn.getResponseCode() == 404) {
throw new FileNotFoundException("Artifact not found in Nexus");
} else {
final String msg = String.format("Could not connect to Nexus received response code: %d %s",
conn.getResponseCode(), conn.getResponseMessage());
LOGGER.fine(msg);
throw new IOException(msg);
}
}