/*******************************************************************************
* Copyright (c) 2012, Red Hat Inc. and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Mickael Istria (Red Hat) - Initial API & implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.updatesite;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;
public class SiteBundle {
private String arch;
// performance
private URL base;
private List<String> categoryNames;
private String bundleId;
private String bundleVersion;
private String label;
private String nl;
private String os;
private String patch;
private final boolean resolved = false;
private SiteModel site;
private String type;
private URL url;
private String urlString;
private String ws;
/*
* Compares two URL for equality
*/
public static boolean sameURL(URL url1, URL url2) {
if (url1 == url2)
return true;
if (url1 == null ^ url2 == null)
return false;
// check if URL are file: URL as we may
// have 2 URL pointing to the same bundleReference
// but with different representation
// (i.e. file:/C;/ and file:C:/)
final boolean isFile1 = "file".equalsIgnoreCase(url1.getProtocol());//$NON-NLS-1$
final boolean isFile2 = "file".equalsIgnoreCase(url2.getProtocol());//$NON-NLS-1$
if (isFile1 && isFile2) {
File file1 = new File(url1.getFile());
File file2 = new File(url2.getFile());
return file1.equals(file2);
}
// URL1 xor URL2 is a file, return false. (They either both need to be files, or neither)
if (isFile1 ^ isFile2)
return false;
return getExternalForm(url1).equals(getExternalForm(url2));
}
/**
* Gets the external form of this URL. In particular, it trims any white space,
* removes a trailing slash and creates a lower case string.
*/
private static String getExternalForm(URL url) {
String externalForm = url.toExternalForm();
if (externalForm == null)
return ""; //$NON-NLS-1$
externalForm = externalForm.trim();
if (externalForm.endsWith("/")) { //$NON-NLS-1$
// Remove the trailing slash
externalForm = externalForm.substring(0, externalForm.length() - 1);
}
return externalForm.toLowerCase();
}
/**
* Creates an uninitialized bundle reference model object.
*/
public SiteBundle() {
super();
}
/**
* Adds the name of a category this bundle belongs to.
* Throws a runtime exception if this object is marked read-only.
*
* @param categoryName category name
*/
public void addCategoryName(String categoryName) {
if (this.categoryNames == null)
this.categoryNames = new ArrayList<String>();
if (!this.categoryNames.contains(categoryName))
this.categoryNames.add(categoryName);
}
private void delayedResolve() {
// PERF: delay resolution
if (resolved)
return;
// resolve local elements
try {
url = new URL(base, urlString);
} catch (MalformedURLException e) {
// UpdateCore.warn("", e); //$NON-NLS-1$
}
}
/**
* Compares 2 bundle reference models for equality
*
* @param object bundle reference model to compare with
* @return <code>true</code> if the two models are equal,
* <code>false</code> otherwise
*/
public boolean equals(Object object) {
if (object == null)
return false;
if (!(object instanceof SiteBundle))
return false;
SiteBundle that = (SiteBundle) object;
if (this.bundleId == null) {
if (that.bundleId != null)
return false;
} else if (!this.bundleId.equals(that.bundleId))
return false;
if (this.bundleVersion == null) {
if (that.bundleVersion != null)
return false;
} else if (!this.bundleVersion.equals(that.bundleVersion))
return false;
if (this.label == null) {
if (that.label != null)
return false;
} else if (!this.label.equals(that.label))
return false;
return sameURL(this.getURL(), that.getURL());
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (bundleId == null ? 0 : bundleId.hashCode());
result = prime * result + (bundleVersion == null ? 0 : bundleVersion.hashCode());
if (this.getURL() == null)
return result;
if ("file".equalsIgnoreCase(getURL().getProtocol())) {//$NON-NLS-1$
// If the URL is a file, then create the HashCode from the file
File f = new File(getURL().getFile());
if (f != null)
result = prime * result + f.hashCode();
} else
// Otherwise create it from the External form of the URL (in lower case)
result = prime * result + getExternalForm(this.getURL()).hashCode();
return result;
}
/**
* Returns the names of categories the referenced bundle belongs to.
*
* @return an array of names, or an empty array.
*/
public String[] getCategoryNames() {
if (categoryNames == null)
return new String[0];
return categoryNames.toArray(new String[0]);
}
/**
* Returns the bundle identifier as a string
*
* @return bundle identifier
*/
public String getBundleIdentifier() {
return bundleId;
}
/**
* Returns the bundle version as a string
*
* @return bundle version
*/
public String getBundleVersion() {
return bundleVersion;
}
/**
* Retrieve the displayable label for the bundle reference. If the model
* object has been resolved, the label is localized.
*
* @return displayable label, or <code>null</code>.
*/
public String getLabel() {
return label;
}
/**
* Retrieve the non-localized displayable label for the bundle reference.
*
* @return non-localized displayable label, or <code>null</code>.
*/
public String getLabelNonLocalized() {
return label;
}
/**
* Get optional locale specification as a comma-separated string.
*
* @return the locale specification string, or <code>null</code>.
*/
public String getNL() {
return nl;
}
/**
* Get optional operating system specification as a comma-separated string.
*
* @return the operating system specification string, or <code>null</code>.
*/
public String getOS() {
return os;
}
/**
* Get optional system architecture specification as a comma-separated string.
*
* @return the system architecture specification string, or <code>null</code>.
*/
public String getOSArch() {
return arch;
}
/**
* Returns the patch mode.
*/
public String getPatch() {
return patch;
}
/**
* Returns the site model for the reference.
*
* @return site model
* @since 2.0
*/
public SiteModel getSiteModel() {
return site;
}
/**
* Returns the referenced bundle type.
*
* @return bundle type, or <code>null</code> representing the default
* bundle type for the site
*/
public String getType() {
return type;
}
/**
* Returns the resolved URL for the bundle reference.
*
* @return url string
*/
public URL getURL() {
delayedResolve();
return url;
}
/**
* Returns the unresolved URL string for the reference.
*
* @return url string
*/
public String getURLString() {
return urlString;
}
/**
* Get optional windowing system specification as a comma-separated string.
*
* @return the windowing system specification string, or <code>null</code>.
*/
public String getWS() {
return ws;
}
/**
* Resolve the model object.
* Any URL strings in the model are resolved relative to the
* base URL argument. Any translatable strings in the model that are
* specified as translation keys are localized using the supplied
* resource bundle.
*
* @param resolveBase URL
* @param bundleURL resource bundle URL
* @exception MalformedURLException
*/
public void resolve(URL resolveBase, URL bundleURL) throws MalformedURLException {
this.base = resolveBase;
}
/**
* Sets the system architecture specification.
* Throws a runtime exception if this object is marked read-only.
*
* @param arch system architecture specification as a comma-separated list
*/
public void setArch(String arch) {
this.arch = arch;
}
/**
* Sets the names of categories this bundle belongs to.
* Throws a runtime exception if this object is marked read-only.
*
* @param categoryNames an array of category names
*/
public void setCategoryNames(String[] categoryNames) {
if (categoryNames == null)
this.categoryNames = null;
else
this.categoryNames = new ArrayList<String>(Arrays.asList(categoryNames));
}
/**
* Sets the bundle identifier.
* Throws a runtime exception if this object is marked read-only.
*
* @param bundleId bundle identifier
*/
public void setBundleIdentifier(String bundleId) {
this.bundleId = bundleId;
}
/**
* Sets the bundle version.
* Throws a runtime exception if this object is marked read-only.
*
* @param bundleVersion bundle version
*/
public void setBundleVersion(String bundleVersion) {
this.bundleVersion = bundleVersion;
}
/**
* Sets the label.
* @param label The label to set
*/
public void setLabel(String label) {
this.label = label;
}
/**
* Sets the locale specification.
* Throws a runtime exception if this object is marked read-only.
*
* @param nl locale specification as a comma-separated list
*/
public void setNL(String nl) {
this.nl = nl;
}
/**
* Sets the operating system specification.
* Throws a runtime exception if this object is marked read-only.
*
* @param os operating system specification as a comma-separated list
*/
public void setOS(String os) {
this.os = os;
}
/**
* Sets the patch mode.
*/
public void setPatch(String patch) {
this.patch = patch;
}
/**
* Sets the site for the referenced.
* Throws a runtime exception if this object is marked read-only.
*
* @param site site for the reference
*/
public void setSiteModel(SiteModel site) {
this.site = site;
}
/**
* Sets the referenced bundle type.
* Throws a runtime exception if this object is marked read-only.
*
* @param type referenced bundle type
*/
public void setType(String type) {
this.type = type;
}
/**
* Sets the unresolved URL for the bundle reference.
* Throws a runtime exception if this object is marked read-only.
*
* @param urlString unresolved URL string
*/
public void setURLString(String urlString) {
this.urlString = urlString;
this.url = null;
}
/**
* Sets the windowing system specification.
* Throws a runtime exception if this object is marked read-only.
*
* @param ws windowing system specification as a comma-separated list
*/
public void setWS(String ws) {
this.ws = ws;
}
/**
* @see Object#toString()
*/
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append(getClass().toString() + " :"); //$NON-NLS-1$
buffer.append(" at "); //$NON-NLS-1$
if (url != null)
buffer.append(url.toExternalForm());
return buffer.toString();
}
}