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MDW is a microservices based workflow framework
/*
* Copyright (C) 2017 CenturyLink, Inc.
*
* 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.centurylink.mdw.dataaccess.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.yaml.snakeyaml.Yaml;
import com.centurylink.mdw.dataaccess.AssetRevision;
import com.centurylink.mdw.dataaccess.DataAccessException;
import com.centurylink.mdw.dataaccess.VersionControl;
import com.centurylink.mdw.dataaccess.file.GitDiffs.DiffType;
import com.centurylink.mdw.model.JsonObject;
import com.centurylink.mdw.model.asset.Asset;
import com.centurylink.mdw.model.workflow.Package;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
@ApiModel(value="Package", description="Asset package", parent=Object.class)
public class PackageDir extends File {
public static final String META_DIR = ".mdw";
public static final String PACKAGE_JSON_PATH = META_DIR + "/package.json";
public static final String PACKAGE_YAML_PATH = META_DIR + "/package.yaml";
public static final String VERSIONS_PATH = META_DIR + "/versions";
public static final String ARCHIVE_SUBDIR = "Archive";
private File storageDir; // main parent for workflow assets
private File archiveDir;
private VersionControl versionControl;
/**
* /com.centurylink.mdw.demo.intro v0.0.17
*/
private File logicalDir;
@ApiModelProperty(hidden=true)
public File getLogicalDir() { return logicalDir; }
private boolean archive;
@ApiModelProperty(hidden=true)
public boolean isArchive() { return archive; }
private String pkgName;
@ApiModelProperty(name="name")
public String getPackageName() { return pkgName; }
private String pkgVersion;
@ApiModelProperty(name="version")
public String getPackageVersion() { return pkgVersion; }
public void setPackageVersion(String version) { this.pkgVersion = version; }
private String schemaVersion;
@ApiModelProperty(name="schemaVersion")
public String getSchemaVersion() { return schemaVersion; }
public void setSchemaVersion(String version) { this.schemaVersion = version; }
private long pkgId;
public long getId() { return pkgId; }
private Boolean yaml;
public boolean isYaml() { return yaml == null ? false : yaml; }
public void setYaml(boolean yaml) { this.yaml = yaml; }
private File metaFile;
public File getMetaFile() {
metaFile = new File(toString() + "/" + PACKAGE_YAML_PATH);
if (!isYaml() && !metaFile.exists())
metaFile = new File(toString() + "/" + PACKAGE_JSON_PATH);
return metaFile;
}
public boolean parse() throws DataAccessException {
yaml = new File(toString() + "/" + PACKAGE_YAML_PATH).exists();
return parse(yaml);
}
@SuppressWarnings("rawtypes")
public boolean parse(boolean yaml) throws DataAccessException {
try {
this.yaml = yaml;
File pkgFile = getMetaFile();
if (!pkgFile.exists())
return false;
if (yaml) {
Yaml yamlLoader = new Yaml();
Map map = (Map) yamlLoader
.load(new String(Files.readAllBytes(Paths.get(pkgFile.getPath()))));
pkgName = (String) map.get("name");
pkgVersion = (String) map.get("version");
schemaVersion = (String) map.get("schemaVersion");
}
else {
FileInputStream fis = null;
try {
fis = new FileInputStream(pkgFile);
byte[] bytes = new byte[(int) pkgFile.length()];
fis.read(bytes);
Package pkgVo = new Package(new JsonObject(new String(bytes)));
pkgName = pkgVo.getName();
pkgVersion = pkgVo.getVersionString();
schemaVersion = Asset.formatVersion(pkgVo.getSchemaVersion());
}
finally {
if (fis != null)
fis.close();
;
}
}
String archivePath = new File(storageDir.toString() + "/Archive/").toString();
if (toString().startsWith(archivePath)) {
// e:/workspaces/dons/DonsWorkflow/src/main/workflow/Archive/com.centurylink.mdw.demo.intro v0.17
int spaceV = toString().lastIndexOf(" v");
if (spaceV < 0)
throw new DataAccessException("Misnamed Archive package node dir (missing version): " + getName());
String pkgVerFromDir = toString().substring(spaceV + 2);
if (pkgVerFromDir != null && !pkgVerFromDir.equals(pkgVersion))
throw new DataAccessException("Package version in " + pkgFile + " is not '" + pkgVerFromDir + "'");
String pkgNameFromDir = toString().substring(0, spaceV).substring(archiveDir.toString().length() + 1).replace('\\', '/').replace('/', '.');
if (!pkgNameFromDir.equals(pkgName))
throw new DataAccessException("Package name in " + pkgFile + " is not '" + pkgNameFromDir + "'");
archive = true;
}
else {
// e:/workspaces/dons/DonsWorkflow/src/main/workflow/com/centurylink/mdw/demo/intro
String pkgNameFromDir = toString().substring(storageDir.toString().length() + 1).replace('\\', '/').replace('/', '.');
if (!pkgNameFromDir.equals(pkgName))
throw new DataAccessException("Package name in " + pkgFile + " is not '" + pkgNameFromDir + "'");
}
logicalDir = new File("/" + pkgName + " v" + pkgVersion);
if (versionControl != null)
pkgId = versionControl.getId(logicalDir);
return true;
}
catch (DataAccessException ex) {
throw ex;
}
catch (Exception ex) {
throw new DataAccessException(ex.getMessage(), ex);
}
}
public PackageDir(File storageDir, File pkgNode, VersionControl versionControl) {
super(pkgNode.toString());
this.storageDir = storageDir;
this.archiveDir = new File(storageDir + "/" + ARCHIVE_SUBDIR);
this.versionControl = versionControl;
}
/**
* For newly-created packages.
*/
public PackageDir(File storageDir, Package packageVo, VersionControl versionControl) throws IOException {
this(storageDir, new File(storageDir + "/" + packageVo.getName().replace('.', '/')), versionControl);
this.logicalDir = new File("/" + packageVo.getName() + " v" + packageVo.getVersionString());
this.pkgId = packageVo.getId() == null ? versionControl.getId(logicalDir) : packageVo.getId();
this.pkgName = packageVo.getName();
this.pkgVersion = Package.formatVersion(packageVo.getVersion());
this.schemaVersion = Asset.formatVersion(packageVo.getSchemaVersion());
}
/**
* For placeholder (eg: missing) packages.
*/
public PackageDir(File storageDir, String name, VersionControl versionControl) {
super(storageDir + "/" + name);
this.pkgName = name;
this.versionControl = versionControl;
}
/**
* logical file to AssetFile
*/
private Map assetFiles = new HashMap();
/**
* Called after initial load when AssetFiles may be accessed by passing the asset logical file.
*/
public AssetFile findAssetFile(File logicalFile) {
return assetFiles.get(logicalFile);
}
@ApiModelProperty(hidden=true)
public AssetFile getAssetFile(File file) throws IOException {
return getAssetFile(file, null);
}
public AssetFile removeAssetFile(File file) {
return assetFiles.remove(file);
}
/**
* Called during initial load the file param is a standard file.
*/
@ApiModelProperty(hidden=true)
public AssetFile getAssetFile(File file, AssetRevision rev) throws IOException {
AssetFile assetFile;
if (rev == null) {
rev = versionControl.getRevision(file);
if (rev == null) {
// presumably dropped-in asset
rev = new AssetRevision();
rev.setVersion(0);
rev.setModDate(new Date());
}
assetFile = new AssetFile(this, file.getName(), rev);
assetFile.setRevision(rev);
}
else {
versionControl.setRevision(file, rev);
assetFile = new AssetFile(this, file.getName(), rev);
versionControl.clearId(assetFile);
}
assetFile.setId(versionControl.getId(assetFile.getLogicalFile()));
assetFiles.put(assetFile.getLogicalFile(), assetFile);
return assetFile;
}
private DiffType vcsDiffType;
@ApiModelProperty(hidden=true)
public DiffType getVcsDiffType() { return vcsDiffType; }
public void setVcsDiffType(DiffType diffType) { this.vcsDiffType = diffType; }
}
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