/*
A Java-based HTTP stub server
Copyright (C) 2012 Alexander Zagniotov, Isa Goksu and Eric Mrak
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package by.stub.database;
import by.stub.utils.ObjectUtils;
import by.stub.yaml.stubs.NotFoundStubResponse;
import by.stub.yaml.stubs.RedirectStubResponse;
import by.stub.yaml.stubs.StubHttpLifecycle;
import by.stub.yaml.stubs.StubRequest;
import by.stub.yaml.stubs.StubResponse;
import by.stub.yaml.stubs.UnauthorizedStubResponse;
import java.io.File;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class StubbedDataManager {
private final File dataYaml;
private final String dataYamlAbsolutePath;
private final String dataYamlParentDirectory;
private final List<StubHttpLifecycle> stubHttpLifecycles;
public StubbedDataManager(final File dataYaml, final List<StubHttpLifecycle> stubHttpLifecycles) {
this.dataYaml = dataYaml;
this.dataYamlAbsolutePath = this.dataYaml.getAbsolutePath();
this.dataYamlParentDirectory = this.dataYaml.getParent();
this.stubHttpLifecycles = new LinkedList<StubHttpLifecycle>(stubHttpLifecycles);
}
public StubResponse findStubResponseFor(final StubRequest assertingRequest) {
final StubHttpLifecycle assertingLifecycle = new StubHttpLifecycle();
assertingLifecycle.setRequest(assertingRequest);
assertingLifecycle.setResponse(StubResponse.newStubResponse());
return identifyStubResponseType(assertingLifecycle);
}
private StubResponse identifyStubResponseType(final StubHttpLifecycle assertingLifecycle) {
final StubHttpLifecycle matchedLifecycle = getMatchedStubHttpLifecycle(assertingLifecycle);
if (ObjectUtils.isNull(matchedLifecycle)) {
return new NotFoundStubResponse();
}
final StubResponse stubResponse = matchedLifecycle.getResponse();
if (matchedLifecycle.isRestricted() && matchedLifecycle.hasNotAuthorized(assertingLifecycle)) {
return new UnauthorizedStubResponse();
}
if (stubResponse.hasHeaderLocation()) {
return RedirectStubResponse.newRedirectStubResponse(stubResponse);
}
return stubResponse;
}
private synchronized StubHttpLifecycle getMatchedStubHttpLifecycle(final StubHttpLifecycle assertingLifecycle) {
final int listIndex = stubHttpLifecycles.indexOf(assertingLifecycle);
if (listIndex < 0) {
return StubHttpLifecycle.NULL;
}
return stubHttpLifecycles.get(listIndex);
}
public synchronized boolean resetStubHttpLifecycles(final List<StubHttpLifecycle> stubHttpLifecycles) {
this.stubHttpLifecycles.clear();
return this.stubHttpLifecycles.addAll(stubHttpLifecycles);
}
// Just a shallow copy that protects collection from modification, the points themselves are not copied
public List<StubHttpLifecycle> getStubHttpLifecycles() {
return new LinkedList<StubHttpLifecycle>(stubHttpLifecycles);
}
public File getDataYaml() {
return dataYaml;
}
public synchronized Map<File, Long> getExternalFiles() {
final Set<String> escrow = new HashSet<String>();
final Map<File, Long> externalFiles = new HashMap<File, Long>();
for (StubHttpLifecycle cycle: stubHttpLifecycles) {
final File requestFile = cycle.getRequest().getRawFile();
if (ObjectUtils.isNotNull(requestFile) && !escrow.contains(requestFile.getName())) {
escrow.add(requestFile.getName());
externalFiles.put(requestFile, requestFile.lastModified());
}
final File responseFile = cycle.getResponse().getRawFile();
if (ObjectUtils.isNotNull(responseFile) && !escrow.contains(responseFile.getName())) {
escrow.add(responseFile.getName());
externalFiles.put(responseFile, responseFile.lastModified());
}
}
return externalFiles;
}
public String getYamlAbsolutePath() {
return dataYamlAbsolutePath;
}
public String getYamlParentDirectory() {
return dataYamlParentDirectory;
}
public synchronized String getMarshalledYaml() {
final StringBuilder builder = new StringBuilder();
for (final StubHttpLifecycle cycle : stubHttpLifecycles) {
builder.append(cycle.getMarshalledYaml()).append("\n\n");
}
return builder.toString();
}
public synchronized String getMarshalledYamlByIndex(final int httpLifecycleIndex) {
return stubHttpLifecycles.get(httpLifecycleIndex).getMarshalledYaml();
}
public synchronized void updateStubHttpLifecycleByIndex(final int httpLifecycleIndex, final StubHttpLifecycle newStubHttpLifecycle) {
final StubHttpLifecycle removedLifecycle = deleteStubHttpLifecycleByIndex(httpLifecycleIndex);
if (ObjectUtils.isNotNull(removedLifecycle)) {
stubHttpLifecycles.add(httpLifecycleIndex, newStubHttpLifecycle);
}
}
public synchronized boolean isStubHttpLifecycleExistsByIndex(final int httpLifecycleIndex) {
return stubHttpLifecycles.size() - 1 >= httpLifecycleIndex;
}
public synchronized StubHttpLifecycle deleteStubHttpLifecycleByIndex(final int httpLifecycleIndex) {
return stubHttpLifecycles.remove(httpLifecycleIndex);
}
}