Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright 2011 Red Hat inc. and third party contributors as noted
* by the author tags.
* 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 com.redhat.ceylon.cmr.api;
import java.io.File;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import com.redhat.ceylon.cmr.spi.Node;
import com.redhat.ceylon.common.log.Logger;
import com.redhat.ceylon.model.cmr.ArtifactResult;
import com.redhat.ceylon.model.cmr.RepositoryException;
/**
* Abstract repository manager.
*
* @author Ales Justin
*/
public abstract class AbstractRepositoryManager implements RepositoryManager {
protected final Logger log;
protected Overrides overrides;
public AbstractRepositoryManager(Logger log, Overrides overrides) {
this.log = log;
this.overrides=overrides;
}
/**
* Flatten.
*
* @param result the artifact result
* @return all dependencies
* @throws RepositoryException for any I/O error
*/
public static File[] flatten(ArtifactResult result) throws RepositoryException {
if (result == null)
return null;
List files = new ArrayList<>();
recurse(files, result);
return files.toArray(new File[files.size()]);
}
private static void recurse(final List files, final ArtifactResult current) throws RepositoryException {
files.add(current.artifact());
for (ArtifactResult ar : current.dependencies())
recurse(files, ar);
}
@Override
public File[] resolve(String namespace, String name, String version) throws RepositoryException {
final ArtifactContext context = new ArtifactContext(namespace, name, version);
return resolve(context);
}
@Override
public File[] resolve(ArtifactContext context) throws RepositoryException {
final ArtifactResult result = getArtifactResult(context);
return flatten(result);
}
@Override
public File getArtifact(String namespace, String name, String version) throws RepositoryException {
final ArtifactContext context = new ArtifactContext(namespace, name, version);
return getArtifact(context);
}
@Override
public File getArtifact(ArtifactContext context) throws RepositoryException {
final ArtifactResult result = getArtifactResult(context);
return (result != null) ? result.artifact() : null;
}
@Override
public ArtifactResult getArtifactResult(String namespace, String name, String version) throws RepositoryException {
final ArtifactContext context = new ArtifactContext(namespace, name, version);
return getArtifactResult(context);
}
protected ArtifactResult getFolder(ArtifactContext context, Node node) throws RepositoryException {
throw new RepositoryException("RepositoryManager doesn't support folder get: " + context);
}
protected ArtifactResult artifactNotFound(ArtifactContext context) throws RepositoryException {
return null;
}
@Override
public List getArtifactResults(ArtifactContext context) throws RepositoryException {
final List results = new ArrayList<>();
ArtifactResult result = null;
LinkedHashSet suffixes = new LinkedHashSet<>(Arrays.asList(context.getSuffixes()));
while (!suffixes.isEmpty()) {
// Try to get one of the artifacts
String[] sfx = suffixes.toArray(new String[suffixes.size()]);
ArtifactContext ac;
if (result == null) {
ac = context;
} else {
// We re-use the previous result so we can efficiently
// retrieve further artifacts from the same module
ac = context.getSibling(result, sfx);
}
result = getArtifactResult(ac);
if (result != null) {
results.add(result);
// make sure we don't try to get the same artifact twice
String suffix = ArtifactContext.getSuffixFromFilename(result.artifact().getName());
// but we don't just remove the one we got, but all of suffixes
// up to the one we found, because we know the list is ordered
// and the others were tried first
Iterator iter = suffixes.iterator();
while (iter.hasNext() && !suffix.equals(iter.next())) {
iter.remove();
}
suffixes.remove(suffix);
// TODO this shouldn't be hard-coded here but is to prevent
// unnecessary queries to remote repositories
if (suffix.equals(ArtifactContext.CAR)) {
// if we found a car we can skip the jar and module descriptors
suffixes.remove(ArtifactContext.JAR);
suffixes.remove(ArtifactContext.MODULE_PROPERTIES);
suffixes.remove(ArtifactContext.MODULE_XML);
} else if (suffix.equals(ArtifactContext.JAR)
|| suffix.equals(ArtifactContext.MODULE_PROPERTIES)
|| suffix.equals(ArtifactContext.MODULE_XML)) {
// or the exact opposite
suffixes.remove(ArtifactContext.CAR);
}
} else {
// We didn't find anything (this time),
// we can stop trying more artifact types
break;
}
}
return results;
}
@Override
public void putArtifact(String namespace, String name, String version, InputStream content) throws RepositoryException {
final ArtifactContext context = new ArtifactContext(namespace, name, version);
putArtifact(context, content);
}
@Override
public void putArtifact(String namespace, String name, String version, File content) throws RepositoryException {
final ArtifactContext context = new ArtifactContext(namespace, name, version);
putArtifact(context, content);
}
@Override
public void putArtifact(ArtifactContext context, File content) throws RepositoryException {
if (content == null)
throw new IllegalArgumentException("Null file!");
if (!isSameFile(context, content)) {
// Not the same file so we can add it
if (content.isDirectory())
putFolder(context, content);
else
putArtifact(context, Helper.toInputStream(content));
} else {
// They are the same file so we skip it
log.debug(" -> [skipping] source and destination are the same");
}
}
public abstract boolean isSameFile(ArtifactContext context, File srcFile) throws RepositoryException;
protected void putFolder(ArtifactContext context, File folder) throws RepositoryException {
throw new RepositoryException("RepositoryManager doesn't support folder [" + folder + "] put: " + context);
}
@Override
public void removeArtifact(String namespace, String name, String version) throws RepositoryException {
final ArtifactContext context = new ArtifactContext(namespace, name, version);
removeArtifact(context);
}
@Override
public Overrides getOverrides() {
return overrides;
}
@Override
public void setOverrides(Overrides overrides) {
this.overrides = overrides;
}
}
