svn-gvsig-desktop / tags / Root_CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / ZipFileFolder.java @ 1732
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| 1 | 2 | luisw | /*
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| 2 | * Created on 03-may-2004
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| 3 | *
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| 4 | * @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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| 5 | */
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| 6 | package org.cresques.io; |
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| 7 | |||
| 8 | import java.io.IOException; |
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| 9 | import java.io.InputStream; |
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| 10 | import java.util.Enumeration; |
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| 11 | import java.util.zip.ZipEntry; |
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| 12 | import java.util.zip.ZipFile; |
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| 13 | |||
| 14 | /**
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| 15 | *
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| 16 | *
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| 17 | * @author "Luis W. Sevilla" <sevilla_lui@gva.es>* @author administrador
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| 18 | */
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| 19 | |||
| 20 | public class ZipFileFolder extends FileFolder { |
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| 21 | String zName = null; |
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| 22 | public ZipFile file = null; |
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| 23 | |||
| 24 | public ZipFileFolder() {
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| 25 | super();
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| 26 | } |
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| 27 | |||
| 28 | /**
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| 29 | * Constructor.
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| 30 | *
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| 31 | * @param fname
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| 32 | */
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| 33 | |||
| 34 | public ZipFileFolder(String fName) throws IOException { |
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| 35 | 7 | luisw | fName = DataSource.normalize(fName);
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| 36 | 2 | luisw | if (isUrl(fName))
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| 37 | zName = getZName(fName); |
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| 38 | else
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| 39 | zName = fName; |
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| 40 | file = new ZipFile(zName); |
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| 41 | } |
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| 42 | |||
| 43 | /**
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| 44 | * Analiza un nombre de fichero en formato zip://zipname.zip?file.ext
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| 45 | * @param urlName
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| 46 | */
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| 47 | |||
| 48 | public static boolean isUrl(String name) { |
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| 49 | String str = name.substring(0,3); |
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| 50 | str.toLowerCase(); |
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| 51 | if (str.compareTo("zip") == 0) |
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| 52 | return true; |
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| 53 | return false; |
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| 54 | } |
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| 55 | |||
| 56 | private String getZName(String urlName) { |
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| 57 | return urlName.substring(6,urlName.indexOf("?")); |
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| 58 | } |
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| 59 | private String getFName(String urlName) { |
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| 60 | return urlName.substring(urlName.indexOf("?")+1); |
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| 61 | } |
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| 62 | |||
| 63 | 5 | luisw | public ZipEntry getZipEntry(String fName) throws IOException { |
| 64 | 2 | luisw | InputStream is = null; |
| 65 | if (isUrl(fName))
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| 66 | fName = getFName(fName); |
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| 67 | 5 | luisw | return file.getEntry(fName);
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| 68 | } |
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| 69 | |||
| 70 | public InputStream getInputStream(String fName) throws IOException { |
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| 71 | return file.getInputStream(getZipEntry(fName));
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| 72 | } |
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| 73 | |||
| 74 | public InputStream getInputStream(ZipEntry ze) throws IOException { |
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| 75 | 2 | luisw | return file.getInputStream(ze);
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| 76 | } |
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| 77 | |||
| 78 | public int count() { return file.size(); } |
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| 79 | |||
| 80 | public Enumeration entries() { return file.entries();} |
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| 81 | } |