/*
* Copyright 2012 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Eclipse Public License version 1.0, available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.jboss.forge.addon.git.gitignore.resources;
import org.jboss.forge.addon.git.gitignore.GitIgnoreEntry;
import org.jboss.forge.addon.resource.AbstractFileResource;
import org.jboss.forge.addon.resource.Resource;
import org.jboss.forge.addon.resource.ResourceFactory;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/**
* @author Dan Allen
* @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*/
public class GitIgnoreResourceImpl extends AbstractFileResource<GitIgnoreResource> implements GitIgnoreResource
{
public GitIgnoreResourceImpl(ResourceFactory factory, File file)
{
super(factory, file);
}
@Override
public GitIgnoreResource createFrom(File file)
{
return new GitIgnoreResourceImpl(getResourceFactory(), file);
}
@Override
protected List<Resource<?>> doListResources()
{
List<Resource<?>> patterns = new ArrayList<>();
for (GitIgnoreEntry entry : getEntries())
{
if (entry.isPattern())
{
patterns.add(new GitIgnorePatternResource(getResourceFactory(), this, entry.getContent()));
}
}
return patterns;
}
@Override
public void addPattern(String pattern)
{
List<GitIgnoreEntry> entries = getEntries();
GitIgnoreEntry entry = new GitIgnoreEntry(pattern);
if (!entries.contains(entry))
{
entries.add(entry);
storeEntries(entries);
}
}
@Override
public void addPatterns(String[] newPatterns)
{
List<GitIgnoreEntry> entries = getEntries();
boolean modified = false;
for (String pattern : newPatterns)
{
GitIgnoreEntry entry = new GitIgnoreEntry(pattern);
if (entries.contains(entry))
{
entries.add(entry);
modified = true;
}
}
if (modified)
{
storeEntries(entries);
}
}
@Override
public void removePattern(String pattern)
{
List<GitIgnoreEntry> entries = getEntries();
GitIgnoreEntry entry = new GitIgnoreEntry(pattern);
if (entries.contains(entry))
{
entries.remove(entry);
storeEntries(entries);
}
}
@Override
public List<String> getPatterns()
{
List<String> patterns = new ArrayList<>();
for (GitIgnoreEntry entry : getEntries())
{
if (entry.isPattern())
{
patterns.add(entry.toString());
}
}
return patterns;
}
@Override
public List<GitIgnoreEntry> getEntries()
{
List<GitIgnoreEntry> lines = new ArrayList<>();
try (BufferedReader reader = new BufferedReader(new InputStreamReader(getResourceInputStream())))
{
String line = null;
while ((line = reader.readLine()) != null)
{
lines.add(new GitIgnoreEntry(line));
}
return lines;
}
catch (IOException e)
{
throw new RuntimeException(
"Error while reading .gitignore patterns", e);
}
}
protected void storeEntries(List<GitIgnoreEntry> entries)
{
StringBuilder contents = new StringBuilder();
for (GitIgnoreEntry entry : entries)
{
contents.append(entry.toString()).append("\n");
}
setContents(contents.toString());
}
}