blob: f7265270485d3de1e6dbe95041aedf37fef59f18 [file] [log] [blame]
package aQute.bnd.build;
import java.io.*;
import java.util.*;
import java.util.jar.*;
import aQute.bnd.service.RepositoryPlugin.Strategy;
import aQute.lib.osgi.*;
public class Container {
public enum TYPE {
REPO, PROJECT, EXTERNAL, LIBRARY, ERROR
}
final File file;
final TYPE type;
final String bsn;
final String version;
final String error;
final Project project;
volatile Map<String,String> attributes;
private long manifestTime;
private Manifest manifest;
Container(Project project, String bsn, String version, TYPE type, File source, String error,
Map<String,String> attributes) {
this.bsn = bsn;
this.version = version;
this.type = type;
this.file = source != null ? source : new File("/" + bsn + ":" + version + ":" + type);
this.project = project;
this.error = error;
if (attributes == null || attributes.isEmpty())
this.attributes = Collections.emptyMap();
else
this.attributes = attributes;
}
public Container(Project project, File file) {
this(project, file.getName(), "project", TYPE.PROJECT, file, null, null);
}
public Container(File file) {
this(null, file.getName(), "project", TYPE.EXTERNAL, file, null, null);
}
public File getFile() {
return file;
}
/**
* Iterate over the containers and get the files they represent
*
* @param files
* @return
* @throws Exception
*/
public boolean contributeFiles(List<File> files, Processor reporter) throws Exception {
switch (type) {
case EXTERNAL :
case REPO :
files.add(file);
return true;
case PROJECT :
File[] fs = project.build();
reporter.getInfo(project);
if (fs == null)
return false;
for (File f : fs)
files.add(f);
return true;
case LIBRARY :
List<Container> containers = getMembers();
for (Container container : containers) {
if (!container.contributeFiles(files, reporter))
return false;
}
return true;
case ERROR :
reporter.error(error);
return false;
}
return false;
}
public String getBundleSymbolicName() {
return bsn;
}
public String getVersion() {
return version;
}
public TYPE getType() {
return type;
}
public String getError() {
return error;
}
public boolean equals(Object other) {
if (other instanceof Container)
return file.equals(((Container) other).file);
else
return false;
}
public int hashCode() {
return file.hashCode();
}
public Project getProject() {
return project;
}
/**
* Must show the file name or the error formatted as a file name
*
* @return
*/
public String toString() {
if (getError() != null)
return "/error/" + getError();
else
return getFile().getAbsolutePath();
}
public Map<String,String> getAttributes() {
return attributes;
}
public void putAttribute(String name, String value) {
if (attributes == Collections.<String, String> emptyMap())
attributes = new HashMap<String,String>(1);
attributes.put(name, value);
}
/**
* Return the this if this is anything else but a library. If it is a
* library, return the members. This could work recursively, e.g., libraries
* can point to libraries.
*
* @return
* @throws Exception
*/
public List<Container> getMembers() throws Exception {
List<Container> result = project.newList();
// Are ww a library? If no, we are the result
if (getType() == TYPE.LIBRARY) {
// We are a library, parse the file. This is
// basically a specification clause per line.
// I.e. you can do bsn; version, bsn2; version. But also
// spread it out over lines.
InputStream in = null;
BufferedReader rd = null;
String line;
try {
in = new FileInputStream(file);
rd = new BufferedReader(new InputStreamReader(in, Constants.DEFAULT_CHARSET));
while ((line = rd.readLine()) != null) {
line = line.trim();
if (!line.startsWith("#") && line.length() > 0) {
List<Container> list = project.getBundles(Strategy.HIGHEST, line, null);
result.addAll(list);
}
}
}
finally {
if (rd != null) {
rd.close();
}
if (in != null) {
in.close();
}
}
} else
result.add(this);
return result;
}
/**
* Answer the manifest for this container (if possible). Manifest is cached
* until the file is renewed.
*/
public Manifest getManifest() throws Exception {
if (getError() != null || getFile() == null)
return null;
if (manifestTime < getFile().lastModified()) {
InputStream in = new FileInputStream(getFile());
try {
JarInputStream jin = new JarInputStream(in);
manifest = jin.getManifest();
jin.close();
manifestTime = getFile().lastModified();
}
finally {
in.close();
}
}
return manifest;
}
}