Java tutorial
/******************************************************************************* * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved. * 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 *******************************************************************************/ package org.ebayopensource.turmeric.eclipse.resources.model; import java.io.File; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.commons.lang.ObjectUtils; import org.apache.commons.lang.StringUtils; import org.ebayopensource.turmeric.eclipse.core.resources.constants.SOAProjectConstants; /** * The Class AssetInfo. * * @author smathew * * This is the wrapper class for holding the project depndencies. This has been * made generic to hold both project and library depndency. The type defines * whether its a library or project. Used mainly by the create wizards and the * properties windows */ public class AssetInfo implements IAssetInfo, Comparable<AssetInfo> { /** * The version prefix. "v." */ public static final String VERSION_PREFIX = " v."; private final String name; private final String version; private final String dir; private List<String> jarNames = new ArrayList<String>(); // can be project or library. Enum avoided. private String type; /** * Instantiates a new asset info. * * @param name the name * @param type the type */ public AssetInfo(final String name, final String type) { this(name, "", "", type); } /** * Instantiates a new asset info. * * @param name the name * @param version the version * @param dir the dir */ public AssetInfo(final String name, final String version, final String dir) { this(name, version, dir, null); } /** * Instantiates a new asset info. * * @param name the name * @param version the version * @param dir the dir * @param type the type */ public AssetInfo(final String name, final String version, final String dir, final String type) { this(name, version, dir, SOAProjectConstants.ServiceLayer.UNKNOWN.name(), type); } /** * Instantiates a new asset info. * * @param name the name * @param version the version * @param dir the dir * @param serviceLayer the service layer * @param type the type */ public AssetInfo(String name, String version, String dir, String serviceLayer, String type) { super(); this.name = StringUtils.defaultString(name).trim(); this.version = StringUtils.defaultString(version).trim(); this.dir = StringUtils.defaultString(dir).trim(); this.type = StringUtils.defaultString(type).trim(); } /** * Creates the asset info with version. * * @param name the name * @param version the version * @param type the type * @return returns an instance of an Asset with version and type. */ public static AssetInfo createAssetInfoWithVersion(String name, String version, String type) { return new AssetInfo(name, version, "", type); } /* (non-Javadoc) * @see java.lang.Object#hashCode() */ @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((name == null) ? 0 : name.hashCode()); result = prime * result + ((version == null) ? 0 : version.hashCode()); return result; } /* (non-Javadoc) * @see java.lang.Object#equals(java.lang.Object) */ @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if ((obj instanceof AssetInfo) == false) return false; final AssetInfo other = (AssetInfo) obj; if (name == null) { if (other.name != null) return false; } else if (!name.equals(other.name)) return false; if (version == null) { if (other.version != null) return false; } else if (!version.equals(other.version)) return false; return true; } /** * Gets the dir. * * @return the directory as a string */ public String getDir() { return dir; } /** * {@inheritDoc} * */ @Override public String getName() { return name; } /** * {@inheritDoc} */ @Override public String getVersion() { return version; } /** * {@inheritDoc} */ @Override public String getDescription() { if (TYPE_LIBRARY.equals(getType())) return getName() + VERSION_PREFIX + getVersion(); return getName(); } /** * {@inheritDoc} */ @Override public String toString() { return getName(); } /** * {@inheritDoc} */ @Override public int compareTo(final AssetInfo info) { if (ObjectUtils.equals(info, this)) return 0; if (name.compareTo(info.name) != 0) return name.compareTo(info.name); if (version.compareTo(info.version) != 0) return version.compareTo(info.version); if (dir.compareTo(info.dir) != 0) return dir.compareTo(info.dir); if (type.compareTo(info.type) != 0) return type.compareTo(info.type); return 0; } /** * {@inheritDoc} */ @Override public String getType() { return type; } /** * Sets the type. * * @param type The name of the type. */ public void setType(String type) { this.type = type; } /** * Gets the jar names. * * @return A List of String objects that contain the jar names */ public List<String> getJarNames() { return jarNames; } /** * Sets the jar names. * * @param jarNames A List of String objects with jarnames */ public void setJarNames(List<String> jarNames) { this.jarNames = jarNames; } /** * {@inheritDoc} */ @Override public String getUniqueID() { return this.name; } /** * {@inheritDoc} * * @return The short description of the AssetInfo instance. */ @Override public String getShortDescription() { return getName(); } /** * Returns a URL based on the dir and jarnames, Will check for null * but no check on file existance if the validateFiles boolean is * false. If its true then the non existing invalid files will be * filtered out from returned list * * @param validateFiles Whether files should be validated if they exist or can be read before * adding them to the file set. * * @return A Set of File objects. */ public Set<File> getFiles(boolean validateFiles) { String dirName = getDir(); Set<File> fileSet = new HashSet<File>(); for (String jarName : getJarNames()) { File file = new File(dirName, jarName); if (validateFiles) { if (file.exists() && file.canRead()) { fileSet.add(file); } } else {// simple add it no check here fileSet.add(file); } } return fileSet; } }