svn-gvsig-desktop / branches / Mobile_Compatible_Hito_1 / libDXF / src / org / cresques / io / ZipFileFolder.java @ 21930
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.io; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.Enumeration; |
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import java.util.zip.ZipEntry; |
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import java.util.zip.ZipFile; |
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/**
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>* @author administrador
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*/
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public class ZipFileFolder extends FileFolder { |
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String zName = null; |
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public ZipFile file = null; |
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public ZipFileFolder() {
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super();
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} |
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/**
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* Constructor.
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*
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* @param fname
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*/
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public ZipFileFolder(String fName) throws IOException { |
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fName = DataSource.normalize(fName);
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if (isUrl(fName)) {
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zName = getZName(fName); |
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} else {
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zName = fName; |
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} |
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file = new ZipFile(zName); |
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} |
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/**
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* Analiza un nombre de fichero en formato zip://zipname.zip?file.ext
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* @param urlName
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*/
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public static boolean isUrl(String name) { |
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String str = name.substring(0, 3); |
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str.toLowerCase(); |
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if (str.compareTo("zip") == 0) { |
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return true; |
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} |
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return false; |
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} |
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private String getZName(String urlName) { |
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return urlName.substring(6, urlName.indexOf("?")); |
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} |
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private String getFName(String urlName) { |
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return urlName.substring(urlName.indexOf("?") + 1); |
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} |
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public ZipEntry getZipEntry(String fName) throws IOException { |
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InputStream is = null; |
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if (isUrl(fName)) {
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fName = getFName(fName); |
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} |
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return file.getEntry(fName);
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} |
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public InputStream getInputStream(String fName) throws IOException { |
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return file.getInputStream(getZipEntry(fName));
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} |
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public InputStream getInputStream(ZipEntry ze) throws IOException { |
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return file.getInputStream(ze);
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} |
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public int count() { |
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return file.size();
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} |
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public Enumeration entries() { |
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return file.entries();
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} |
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} |