plugins/org.eclipse.jst.j2ee.web/taglib/org/eclipse/jst/j2ee/internal/web/taglib/TaglibInfo.java - gerrit/jeetools/webtools.javaee - Git at Google

 /***************************************************************************************************
  * Copyright (c) 2003, 2004 IBM Corporation 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: IBM Corporation - initial API and implementation
  **************************************************************************************************/
 package org.eclipse.jst.j2ee.internal.web.taglib;

 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipException;
 import java.util.zip.ZipFile;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jst.j2ee.internal.web.operations.ProjectSupportResourceHandler;


 public class TaglibInfo implements ITaglibInfo, Cloneable {
 	private IPath location;
 	private String uri;
 	private IPath tldLocation;
 	private String prefix;
 	private IProject project;

 	private boolean isInJar = false;
 	private boolean isWebXMLEntry = false;
 	private boolean isURIFromTLD = false;
 	private boolean isLibModule = false;
 	private boolean isValid = true;

 	private boolean isServerContribution = false;
 	private boolean isDirectoryEntry = false;

 	public TaglibInfo(IProject project, String uri, IPath tldLocation) {
 		this.project = project;
 		this.uri = uri;
 		this.location = tldLocation;
 		this.tldLocation = tldLocation;
 		this.isInJar = false;
 	}

 	public TaglibInfo(IProject project, String uri, IPath jarLocation, IPath tldLocation) {
 		this.project = project;
 		this.uri = uri;
 		this.location = jarLocation;
 		this.isInJar = true;
 		this.tldLocation = tldLocation;
 	}


 	public Object clone() {
 		Object o = null;
 		try {
 			o = super.clone();
 		} catch (CloneNotSupportedException e) {
 			System.err.println(ProjectSupportResourceHandler.getString("Cannot_clone_TaglibInfo_1_EXC_")); //$NON-NLS-1$
 		}
 		return o;
 	}

 	/*
 	 * @see ITaglibInfo#getLocation()
 	 */
 	public IPath getLocation() {
 		return this.location;
 	}

 	/*
 	 * @see ITaglibInfo#getURI()
 	 */
 	public String getURI() {
 		return this.uri;
 	}

 	/*
 	 * @see ITaglibInfo#isInJar()
 	 */
 	public boolean isInJar() {
 		return this.isInJar;
 	}

 	/*
 	 * @see ITaglibInfo#getTLDLocation()
 	 */
 	public IPath getTLDLocation() {
 		return this.tldLocation;
 	}


 	/**
 	 * Sets the location of the TLD file.
 	 *
 	 * @param tldLocation
 	 *            The tldLocation to set
 	 */
 	public void setTLDLocation(IPath tldLocation) {
 		this.tldLocation = tldLocation;
 	}

 	/*
 	 * @see Object#toString()
 	 */
 	public String toString() {
 		if (this.isInJar)
 			return "TaglibInfo(JAR" + (isWebXMLEntry() ? ",WEB.XML: " : ": ") + getURI() + ", " + this.location + ", " + this.tldLocation + ", " + isURIFromTLD() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$

 		return "TaglibInfo(TLD" + (isWebXMLEntry() ? ",WEB.XML: " : ": ") + getURI() + ", " + this.location + ", " + isURIFromTLD() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
 	}

 	/*
 	 * @see ITaglibInfo#isWebXMLEntry()
 	 */
 	public boolean isWebXMLEntry() {
 		return this.isWebXMLEntry;
 	}

 	/*
 	 * @see Object#equals(Object)
 	 */
 	public boolean equals(Object object) {
 		if (object == null)
 			return false;
 		if (!(object instanceof ITaglibInfo))
 			return false;
 		ITaglibInfo taglibInfo = (ITaglibInfo) object;
 		return this.getLocation().equals(taglibInfo.getLocation()) && this.getTLDLocation().equals(taglibInfo.getTLDLocation()) && this.getURI().equals(taglibInfo.getURI()) && this.isWebXMLEntry() == taglibInfo.isWebXMLEntry();
 	}

 	/**
 	 * Sets the isWebXMLEntry.
 	 *
 	 * @param isWebXMLEntry
 	 *            The isWebXMLEntry to set
 	 */
 	public void setIsWebXMLEntry(boolean isWebXMLEntry) {
 		this.isWebXMLEntry = isWebXMLEntry;
 	}

 	/*
 	 * @see ITaglibInfo#setIsValid()
 	 */
 	public void setIsValid(boolean validity) {
 		this.isValid = validity;
 	}

 	/*
 	 * @see ITaglibInfo#getPrefix()
 	 */
 	public String getPrefix() {
 		return this.prefix;
 	}

 	/*
 	 * @see ITaglibInfo#getSourceProject()
 	 */
 	public IProject getSourceProject() {
 		return this.project;
 	}

 	/*
 	 * @see ITaglibInfo#setPrefix(String)
 	 */
 	public void setPrefix(String prefix) {
 		this.prefix = prefix;
 	}

 	public void setPrefix(TLDDigester digester) {
 		if (digester != null) {
 			String aprefix = digester.getShortName();
 			if (aprefix != null)
 				setPrefix(aprefix);
 		}
 	}


 	/*
 	 * @see ITaglibInfo#getTLDStream()
 	 */
 	public InputStream getTLDStream() throws ZipException, IOException, CoreException {
 		File javaIOFile = null;
 		IFile file = null;
 		boolean bIsInJar = false;
 		if (isLibModule()) {
 			file = (IFile) this.project.findMember(getTLDLocation());
 			javaIOFile = file.getLocation().toFile();
 		} else if (isServerContribution()) {
 			javaIOFile = getLocation().toFile();
 			bIsInJar = isInJar();
 		} else {
 			file = (IFile) this.project.findMember(getLocation());
 			if (file != null) {
 				javaIOFile = file.getLocation().toFile();
 			}

 			// for webxml entries try relative to web.xml
 			if (javaIOFile == null || !javaIOFile.exists()) {
 				if (isWebXMLEntry()) {
 					IPath taglibPath = getLocation();
 					if (!taglibPath.isAbsolute()) {
 						IResource resolvedResource = project.findMember(taglibPath);
 						if (resolvedResource instanceof IFile) {
 							file = (IFile) resolvedResource;
 							javaIOFile = file.getLocation().toFile();
 						}
 					}
 				}
 			}
 			bIsInJar = isInJar();
 		}

 		if (bIsInJar) {
 			if (javaIOFile != null) {
 				ZipFile zFile = new ZipFile(javaIOFile);
 				try {
 					ZipEntry entry = zFile.getEntry(getTLDLocation().toString());
 					if (entry != null) {
 						InputStream zipInputStream = zFile.getInputStream(entry);
 						InputStream retStream = bufferInputStream(zipInputStream);
 						zipInputStream.close();
 						return retStream;
 					}
 				} finally {
 					if (zFile != null)
 						zFile.close();
 				}
 			}
 		} else {
 			if (file != null)
 				return file.getContents();
 			// there is no server contributed tld, only jars
 			//			else if(javaIOFile != null)
 			//				return new FileInputStream(javaIOFile);
 		}
 		return null;
 	}

 	protected InputStream bufferInputStream(InputStream is) {
 		try {
 			ByteArrayOutputStream output = new ByteArrayOutputStream();
 			if (is != null) {
 				int available = is.available();
 				int totalRead = 0;
 				byte[] read = new byte[available];
 				while (totalRead < available) {
 					int numRead = is.read(read, 0, available);
 					output.write(read, 0, numRead);
 					totalRead += numRead;
 				}
 			}
 			output.close();
 			return new ByteArrayInputStream(output.toByteArray());
 		} catch (IOException e) {
 			//Do nothing
 		} finally {
 			if (is != null) {
 				try {
 					is.close();
 				} catch (IOException e) {
 					//Do nothing
 				}
 			}
 		}
 		return null;
 	}

 	public String getTLDString() {
 		InputStream is = null;
 		try {
 			is = getTLDStream();
 			ByteArrayOutputStream output = new ByteArrayOutputStream();
 			if (is != null) {
 				int available = is.available();
 				byte[] read = new byte[available];
 				int numRead = is.read(read);
 				output.write(read, 0, numRead);
 			}
 			output.close();
 			return output.toString();
 		} catch (ZipException e) {
 			//Do nothing
 		} catch (IOException e) {
 			//Do nothing
 		} catch (CoreException e) {
 			//Do nothing
 		} finally {
 			if (is != null) {
 				try {
 					is.close();
 				} catch (IOException e) {
 					//Do nothing
 				}
 			}
 		}
 		return ProjectSupportResourceHandler.getString("Could_not_read_TLD_15"); //$NON-NLS-1$
 	}

 	/**
 	 * @see ITaglibInfo#isURIFromTLD()
 	 */
 	public boolean isURIFromTLD() {
 		return this.isURIFromTLD;
 	}

 	/**
 	 * Sets the isURIFromTLD.
 	 *
 	 * @param isURIFromTLD
 	 *            The isURIFromTLD to set
 	 */
 	public void setIsURIFromTLD(boolean isURIFromTLD) {
 		this.isURIFromTLD = isURIFromTLD;
 	}

 	/**
 	 * @see ITaglibInfo#isLibModule()
 	 */
 	public boolean isLibModule() {
 		return this.isLibModule;
 	}

 	/**
 	 * Sets the isLibModule. flag
 	 *
 	 * @param isLibModule
 	 *            The isLibModule to set
 	 */
 	public void setIsLibModule(boolean isLibModule) {
 		this.isLibModule = isLibModule;
 	}

 	/**
 	 * @see ITaglibInfo#isValid()
 	 */
 	public boolean isValid() {
 		return this.isValid;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jst.j2ee.internal.internal.taglib.ITaglibInfo#isServerContribution()
 	 */
 	public boolean isServerContribution() {
 		return this.isServerContribution;
 	}

 	public void setServerContribution(boolean isServerContribution) {
 		this.isServerContribution = isServerContribution;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jst.j2ee.internal.internal.taglib.ITaglibInfo#isDirectoryEntry()
 	 */
 	public boolean isDirectoryEntry() {
 		return this.isDirectoryEntry;
 	}

 	/**
 	 * @param isDirectoryEntry
 	 *            The isDirectoryEntry to set.
 	 */
 	public void setDirectoryEntry(boolean isDirectoryEntry) {
 		this.isDirectoryEntry = isDirectoryEntry;
 	}
 }
	/***************************************************************************************************
	* Copyright (c) 2003, 2004 IBM Corporation 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: IBM Corporation - initial API and implementation
	**************************************************************************************************/
	package org.eclipse.jst.j2ee.internal.web.taglib;

	import java.io.ByteArrayInputStream;
	import java.io.ByteArrayOutputStream;
	import java.io.File;
	import java.io.IOException;
	import java.io.InputStream;
	import java.util.zip.ZipEntry;
	import java.util.zip.ZipException;
	import java.util.zip.ZipFile;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.jst.j2ee.internal.web.operations.ProjectSupportResourceHandler;


	public class TaglibInfo implements ITaglibInfo, Cloneable {
	private IPath location;
	private String uri;
	private IPath tldLocation;
	private String prefix;
	private IProject project;

	private boolean isInJar = false;
	private boolean isWebXMLEntry = false;
	private boolean isURIFromTLD = false;
	private boolean isLibModule = false;
	private boolean isValid = true;

	private boolean isServerContribution = false;
	private boolean isDirectoryEntry = false;

	public TaglibInfo(IProject project, String uri, IPath tldLocation) {
	this.project = project;
	this.uri = uri;
	this.location = tldLocation;
	this.tldLocation = tldLocation;
	this.isInJar = false;
	}

	public TaglibInfo(IProject project, String uri, IPath jarLocation, IPath tldLocation) {
	this.project = project;
	this.uri = uri;
	this.location = jarLocation;
	this.isInJar = true;
	this.tldLocation = tldLocation;
	}


	public Object clone() {
	Object o = null;
	try {
	o = super.clone();
	} catch (CloneNotSupportedException e) {
	System.err.println(ProjectSupportResourceHandler.getString("Cannot_clone_TaglibInfo_1_EXC_")); //$NON-NLS-1$
	}
	return o;
	}

	/*
	* @see ITaglibInfo#getLocation()
	*/
	public IPath getLocation() {
	return this.location;
	}

	/*
	* @see ITaglibInfo#getURI()
	*/
	public String getURI() {
	return this.uri;
	}

	/*
	* @see ITaglibInfo#isInJar()
	*/
	public boolean isInJar() {
	return this.isInJar;
	}

	/*
	* @see ITaglibInfo#getTLDLocation()
	*/
	public IPath getTLDLocation() {
	return this.tldLocation;
	}


	/**
	* Sets the location of the TLD file.
	*
	* @param tldLocation
	* The tldLocation to set
	*/
	public void setTLDLocation(IPath tldLocation) {
	this.tldLocation = tldLocation;
	}

	/*
	* @see Object#toString()
	*/
	public String toString() {
	if (this.isInJar)
	return "TaglibInfo(JAR" + (isWebXMLEntry() ? ",WEB.XML: " : ": ") + getURI() + ", " + this.location + ", " + this.tldLocation + ", " + isURIFromTLD() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$

	return "TaglibInfo(TLD" + (isWebXMLEntry() ? ",WEB.XML: " : ": ") + getURI() + ", " + this.location + ", " + isURIFromTLD() + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
	}

	/*
	* @see ITaglibInfo#isWebXMLEntry()
	*/
	public boolean isWebXMLEntry() {
	return this.isWebXMLEntry;
	}

	/*
	* @see Object#equals(Object)
	*/
	public boolean equals(Object object) {
	if (object == null)
	return false;
	if (!(object instanceof ITaglibInfo))
	return false;
	ITaglibInfo taglibInfo = (ITaglibInfo) object;
	return this.getLocation().equals(taglibInfo.getLocation()) && this.getTLDLocation().equals(taglibInfo.getTLDLocation()) && this.getURI().equals(taglibInfo.getURI()) && this.isWebXMLEntry() == taglibInfo.isWebXMLEntry();
	}

	/**
	* Sets the isWebXMLEntry.
	*
	* @param isWebXMLEntry
	* The isWebXMLEntry to set
	*/
	public void setIsWebXMLEntry(boolean isWebXMLEntry) {
	this.isWebXMLEntry = isWebXMLEntry;
	}

	/*
	* @see ITaglibInfo#setIsValid()
	*/
	public void setIsValid(boolean validity) {
	this.isValid = validity;
	}

	/*
	* @see ITaglibInfo#getPrefix()
	*/
	public String getPrefix() {
	return this.prefix;
	}

	/*
	* @see ITaglibInfo#getSourceProject()
	*/
	public IProject getSourceProject() {
	return this.project;
	}

	/*
	* @see ITaglibInfo#setPrefix(String)
	*/
	public void setPrefix(String prefix) {
	this.prefix = prefix;
	}

	public void setPrefix(TLDDigester digester) {
	if (digester != null) {
	String aprefix = digester.getShortName();
	if (aprefix != null)
	setPrefix(aprefix);
	}
	}



	/*
	* @see ITaglibInfo#getTLDStream()
	*/
	public InputStream getTLDStream() throws ZipException, IOException, CoreException {
	File javaIOFile = null;
	IFile file = null;
	boolean bIsInJar = false;
	if (isLibModule()) {
	file = (IFile) this.project.findMember(getTLDLocation());
	javaIOFile = file.getLocation().toFile();
	} else if (isServerContribution()) {
	javaIOFile = getLocation().toFile();
	bIsInJar = isInJar();
	} else {
	file = (IFile) this.project.findMember(getLocation());
	if (file != null) {
	javaIOFile = file.getLocation().toFile();
	}

	// for webxml entries try relative to web.xml
	if (javaIOFile == null \|\| !javaIOFile.exists()) {
	if (isWebXMLEntry()) {
	IPath taglibPath = getLocation();
	if (!taglibPath.isAbsolute()) {
	IResource resolvedResource = project.findMember(taglibPath);
	if (resolvedResource instanceof IFile) {
	file = (IFile) resolvedResource;
	javaIOFile = file.getLocation().toFile();
	}
	}
	}
	}
	bIsInJar = isInJar();
	}

	if (bIsInJar) {
	if (javaIOFile != null) {
	ZipFile zFile = new ZipFile(javaIOFile);
	try {
	ZipEntry entry = zFile.getEntry(getTLDLocation().toString());
	if (entry != null) {
	InputStream zipInputStream = zFile.getInputStream(entry);
	InputStream retStream = bufferInputStream(zipInputStream);
	zipInputStream.close();
	return retStream;
	}
	} finally {
	if (zFile != null)
	zFile.close();
	}
	}
	} else {
	if (file != null)
	return file.getContents();
	// there is no server contributed tld, only jars
	// else if(javaIOFile != null)
	// return new FileInputStream(javaIOFile);
	}
	return null;
	}

	protected InputStream bufferInputStream(InputStream is) {
	try {
	ByteArrayOutputStream output = new ByteArrayOutputStream();
	if (is != null) {
	int available = is.available();
	int totalRead = 0;
	byte[] read = new byte[available];
	while (totalRead < available) {
	int numRead = is.read(read, 0, available);
	output.write(read, 0, numRead);
	totalRead += numRead;
	}
	}
	output.close();
	return new ByteArrayInputStream(output.toByteArray());
	} catch (IOException e) {
	//Do nothing
	} finally {
	if (is != null) {
	try {
	is.close();
	} catch (IOException e) {
	//Do nothing
	}
	}
	}
	return null;
	}

	public String getTLDString() {
	InputStream is = null;
	try {
	is = getTLDStream();
	ByteArrayOutputStream output = new ByteArrayOutputStream();
	if (is != null) {
	int available = is.available();
	byte[] read = new byte[available];
	int numRead = is.read(read);
	output.write(read, 0, numRead);
	}
	output.close();
	return output.toString();
	} catch (ZipException e) {
	//Do nothing
	} catch (IOException e) {
	//Do nothing
	} catch (CoreException e) {
	//Do nothing
	} finally {
	if (is != null) {
	try {
	is.close();
	} catch (IOException e) {
	//Do nothing
	}
	}
	}
	return ProjectSupportResourceHandler.getString("Could_not_read_TLD_15"); //$NON-NLS-1$
	}

	/**
	* @see ITaglibInfo#isURIFromTLD()
	*/
	public boolean isURIFromTLD() {
	return this.isURIFromTLD;
	}

	/**
	* Sets the isURIFromTLD.
	*
	* @param isURIFromTLD
	* The isURIFromTLD to set
	*/
	public void setIsURIFromTLD(boolean isURIFromTLD) {
	this.isURIFromTLD = isURIFromTLD;
	}

	/**
	* @see ITaglibInfo#isLibModule()
	*/
	public boolean isLibModule() {
	return this.isLibModule;
	}

	/**
	* Sets the isLibModule. flag
	*
	* @param isLibModule
	* The isLibModule to set
	*/
	public void setIsLibModule(boolean isLibModule) {
	this.isLibModule = isLibModule;
	}

	/**
	* @see ITaglibInfo#isValid()
	*/
	public boolean isValid() {
	return this.isValid;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jst.j2ee.internal.internal.taglib.ITaglibInfo#isServerContribution()
	*/
	public boolean isServerContribution() {
	return this.isServerContribution;
	}

	public void setServerContribution(boolean isServerContribution) {
	this.isServerContribution = isServerContribution;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jst.j2ee.internal.internal.taglib.ITaglibInfo#isDirectoryEntry()
	*/
	public boolean isDirectoryEntry() {
	return this.isDirectoryEntry;
	}

	/**
	* @param isDirectoryEntry
	* The isDirectoryEntry to set.
	*/
	public void setDirectoryEntry(boolean isDirectoryEntry) {
	this.isDirectoryEntry = isDirectoryEntry;
	}
	}