AbstractResourceCollectionBuilder.java
/**
* Portions of this software was developed by employees of the National Institute
* of Standards and Technology (NIST), an agency of the Federal Government and is
* being made available as a public service. Pursuant to title 17 United States
* Code Section 105, works of NIST employees are not subject to copyright
* protection in the United States. This software may be subject to foreign
* copyright. Permission in the United States and in foreign countries, to the
* extent that NIST may hold copyright, to use, copy, modify, create derivative
* works, and distribute this software and its documentation without fee is hereby
* granted on a non-exclusive basis, provided that this notice and disclaimer
* of warranty appears in all copies.
*
* THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
* EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
* THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
* INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
* SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
* SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
* INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
* OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
* CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
* OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
*/
package gov.nist.secauto.swid.builder.resource;
import gov.nist.secauto.swid.builder.AbstractLanguageSpecificBuilder;
import gov.nist.secauto.swid.builder.ValidationException;
import gov.nist.secauto.swid.builder.resource.file.DirectoryBuilder;
import gov.nist.secauto.swid.builder.resource.file.FileBuilder;
import gov.nist.secauto.swid.builder.resource.firmware.FirmwareBuilder;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public abstract class AbstractResourceCollectionBuilder<E extends AbstractResourceCollectionBuilder<E>>
extends AbstractLanguageSpecificBuilder<E> {
private Map<String, DirectoryBuilder> directoryMap;
private List<ResourceBuilder> resources;
public AbstractResourceCollectionBuilder() {
super();
}
@Override
public void reset() {
super.reset();
directoryMap = new LinkedHashMap<>();
resources = new LinkedList<>();
}
/**
* Creates a new file builder based on resource pointed to by a sequence of path segments.
*
* @param pathSegments
* a sequence of path segements that represent a path to a resource
* @return a new file builder representing the provided path
*/
public FileBuilder newFileResource(List<String> pathSegments) {
FileBuilder retval;
String filename;
if (pathSegments.size() > 1) {
List<String> directoryPath = pathSegments.subList(0, pathSegments.size() - 1);
DirectoryBuilder directoryBuilder = getDirectoryBuilder(directoryPath);
filename = pathSegments.get(pathSegments.size() - 1);
retval = directoryBuilder.newFileResource(filename);
} else {
filename = pathSegments.get(0);
retval = FileBuilder.create();
retval.name(filename);
resources.add(retval);
}
return retval;
}
/**
* Creates a new firmware resource, adding it to this resource collection.
*
* @return the new firmware builder
*/
public FirmwareBuilder newFirmwareResource() {
FirmwareBuilder retval = FirmwareBuilder.create();
resources.add(retval);
return retval;
}
private DirectoryBuilder getDirectoryBuilder(List<String> directoryPath) {
DirectoryBuilder retval = null;
for (String name : directoryPath) {
if (retval == null) {
DirectoryBuilder dir = directoryMap.get(name);
if (dir == null) {
dir = DirectoryBuilder.create();
dir.name(name);
directoryMap.put(name, dir);
resources.add(dir);
}
retval = dir;
} else {
retval = retval.getDirectoryResource(name);
}
}
return retval;
}
/**
* Retrieves the child resources that match the specified builder..
*
* @param <T>
* the type of builder to filter on
* @param clazz
* the builder to filter on
* @return the matching resources
*/
public <T extends ResourceBuilder> List<T> getResources(Class<T> clazz) {
// List<T> retval = new LinkedList<>();
// for (ResourceBuilder builder : resources) {
// if (clazz.isInstance(builder)) {
// retval.add((T)builder);
// }
// }
@SuppressWarnings("unchecked")
List<? extends T> retval
= resources.stream().filter(e -> clazz.isInstance(e)).map(e -> (T) e).collect(Collectors.toList());
return Collections.unmodifiableList(retval);
}
public List<ResourceBuilder> getResources() {
return Collections.unmodifiableList(resources);
}
@Override
public void validate() throws ValidationException {
super.validate();
}
}