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package org.paneris.bibliomania.metasearch; |
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|
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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|
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import org.paneris.bibliomania.BookStocking; |
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import org.paneris.bibliomania.fti.StringDbHash; |
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|
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import com.sleepycat.db.DatabaseException; |
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|
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public abstract class BOLAndBOBBackendBase implements BookshopBackend { |
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|
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protected final StringDbHash isbnAndImageOfPrdid; |
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protected final String thumbnailURLPrefix; |
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|
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public BOLAndBOBBackendBase( |
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File dbHome, |
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String dbName, |
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int isbnOfPrdidCacheSize, |
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String thumbnailURLPrefix) |
22 | 0 | throws FileNotFoundException, DatabaseException { |
23 | 0 | this.thumbnailURLPrefix = thumbnailURLPrefix; |
24 | 0 | isbnAndImageOfPrdid = |
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new StringDbHash( |
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new File(dbHome, dbName).getPath(), |
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isbnOfPrdidCacheSize); |
28 | 0 | } |
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|
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protected abstract byte[] productPage_nonaffil(BookStocking stocking) |
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throws IOException; |
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|
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protected abstract BookPageBase bookPage(byte[] text); |
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|
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public String retrievedISBNAndImage(BookStocking stocking) |
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throws IOException { |
37 | 0 | BookPageBase bookPage = bookPage(productPage_nonaffil(stocking)); |
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|
39 | 0 | if (bookPage.isbn == null) |
40 | 0 | return null; |
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|
42 | 0 | return bookPage.imageURL == null |
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? bookPage.isbn |
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: bookPage.isbn + "\u00b7" + bookPage.imageURL; |
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} |
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|
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public void resolve(BookStocking stocking) { |
48 | 0 | if (stocking.getIsbn_unsafe() == null) { |
49 | 0 | String vendorProductID = stocking.getVendorproductid_unsafe(); |
50 | 0 | String isbnAndImage = isbnAndImageOfPrdid.get(vendorProductID); |
51 | 0 | if (isbnAndImage == null) { |
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try { |
53 | 0 | isbnAndImage = retrievedISBNAndImage(stocking); |
54 | 0 | } catch (IOException e) { |
55 | 0 | return; |
56 | 0 | } |
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|
58 | 0 | if (isbnAndImage == null) |
59 | 0 | isbnAndImage = ""; |
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|
61 | 0 | isbnAndImageOfPrdid.put(vendorProductID, isbnAndImage); |
62 | 0 | isbnAndImageOfPrdid.flush(); |
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} |
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|
65 | 0 | int sep = isbnAndImage.indexOf("\u00b7"); |
66 | 0 | if (sep == -1) { |
67 | 0 | stocking.setIsbn_unsafe(isbnAndImage); |
68 | 0 | stocking.setThumbnailurl_unsafe(null); |
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} else { |
70 | 0 | stocking.setIsbn_unsafe(isbnAndImage.substring(0, sep)); |
71 | 0 | String tup = isbnAndImage.substring(sep + 1); |
72 | 0 | stocking.setThumbnailurl_unsafe( |
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tup.startsWith("http:") ? tup : thumbnailURLPrefix + tup); |
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} |
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} |
76 | 0 | } |
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} |