Initial commit of code.

4 files changed, 512 insertions, 0 deletions

diff --git a/src/com/joshwalters/bookcatalog/isbnlookup/GDataISBNLookup.java b/src/com/joshwalters/bookcatalog/isbnlookup/GDataISBNLookup.java
new file mode 100644
index 0000000..dc670b3
--- /dev/null
+++ b/src/com/joshwalters/bookcatalog/isbnlookup/GDataISBNLookup.java
@@ -0,0 +1,158 @@
+/*

+ *      Book Catalog - Catalog your book collection.

+ *      

+ *      Copyright (C) 2009 Joshua Walters

+ *      URL: http://joshwalters.com

+ *      

+ *      This file is part of Book Catalog.

+ *      

+ *      Book Catalog is free software: you can redistribute it and/or modify

+ *      it under the terms of the GNU General Public License as published by

+ *      the Free Software Foundation, either version 3 of the License, or

+ *      (at your option) any later version.

+ *      

+ *      Book Catalog is distributed in the hope that it will be useful,

+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of

+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+ *      GNU General Public License for more details.

+ *      

+ *      You should have received a copy of the GNU General Public License

+ *      along with Book Catalog.  If not, see <http://www.gnu.org/licenses/>.

+ */

+

+package com.joshwalters.bookcatalog.isbnlookup;

+

+import java.io.IOException;

+import java.net.MalformedURLException;

+import java.net.URL;

+import java.util.List;

+

+import com.google.gdata.client.books.BooksService;

+import com.google.gdata.client.books.VolumeQuery;

+import com.google.gdata.data.books.VolumeEntry;

+import com.google.gdata.data.books.VolumeFeed;

+import com.google.gdata.data.dublincore.Creator;

+import com.google.gdata.data.dublincore.Subject;

+import com.google.gdata.data.dublincore.Title;

+import com.google.gdata.util.ServiceException;

+

+/**

+ * Performs book lookup with GData.

+ * 

+ * @author Josh Walters

+ */

+public class GDataISBNLookup extends ISBNLookup {

+

+	/**

+	 * Used for looking up the book.

+	 */

+	private BooksService service;

+	/**

+	 * The URL for the Google volumes feed.

+	 */

+	public final String FEED_URL = "http://books.google.com/books/feeds/volumes";

+

+	/**

+	 * Sets up the book service.

+	 */

+	public GDataISBNLookup() {

+		service = new BooksService("BookCatalog-1.0");

+	}

+

+	/**

+	 * Searches for a book.

+	 */

+	public void searchBooks(String barcode) throws NoBookFound,

+			InvalidSearchTerms {

+		// Clear all the book data fields

+		emptyDataFields();

+		// Purify the barcode, get the price if possible, and return just the

+		// ISBN

+		ISBN = purifyBarcode(barcode);

+		// Perform the query

+		VolumeQuery query;

+		try {

+			query = new VolumeQuery(new URL(FEED_URL));

+			query.setFullTextQuery(ISBN);

+			// Only return one result

+			query.setMaxResults(1);

+			VolumeFeed volumeFeed = service.query(query, VolumeFeed.class);

+			// Process the result

+			processVolumeFeed(volumeFeed);

+		} catch (MalformedURLException e) {

+			// Print the error to the error stream

+			System.err.println(e.getMessage());

+		} catch (IOException e) {

+			// Print the error to the error stream

+			System.err.println(e.getMessage());

+		} catch (ServiceException e) {

+			// Print the error to the error stream

+			System.err.println(e.getMessage());

+		}

+	}

+

+	/**

+	 * Processes the result feed to get the book data.

+	 * 

+	 * @param volumeFeed

+	 * @throws IOException

+	 * @throws ServiceException

+	 * @throws NoBookFound

+	 */

+	private void processVolumeFeed(VolumeFeed volumeFeed) throws IOException,

+			ServiceException, NoBookFound {

+		List<VolumeEntry> volumeEntries = volumeFeed.getEntries();

+		if (volumeEntries.size() == 0) {

+			throw new NoBookFound();

+		}

+		// Send the data to be stored in the class

+		storeVolumeEntry(volumeEntries.get(0));

+	}

+

+	/**

+	 * Store the data in the class variables.

+	 * 

+	 * @param entry

+	 * @throws IOException

+	 * @throws ServiceException

+	 */

+	private void storeVolumeEntry(VolumeEntry entry) throws IOException,

+			ServiceException {

+		// Get the book title(s).

+		for (Title t : entry.getTitles()) {

+			if (title == null) {

+				title = t.getValue();

+			} else {

+				title += ", " + t.getValue();

+			}

+		}

+		// Get the book creator(s).

+		for (Creator c : entry.getCreators()) {

+			if (author == null) {

+				author = c.getValue();

+			} else {

+				author += ", " + c.getValue();

+			}

+		}

+		// Get the book date.

+		if (entry.getDates().size() > 0) {

+			date = entry.getDates().get(0).getValue();

+		}

+		// Get the book description.

+		if (entry.getDescriptions().size() > 0) {

+			description = entry.getDescriptions().get(0).getValue();

+		}

+		// Get the book subject(s).

+		for (Subject s : entry.getSubjects()) {

+			if (subject == null) {

+				subject = s.getValue();

+			} else {

+				subject += ", " + s.getValue();

+			}

+		}

+		// Get the book publisher.

+		if (entry.getPublishers().size() > 0) {

+			publisher = entry.getPublishers().get(0).getValue();

+		}

+	}

+}
\ No newline at end of file
diff --git a/src/com/joshwalters/bookcatalog/isbnlookup/ISBNLookup.java b/src/com/joshwalters/bookcatalog/isbnlookup/ISBNLookup.java
new file mode 100644
index 0000000..92d31ff
--- /dev/null
+++ b/src/com/joshwalters/bookcatalog/isbnlookup/ISBNLookup.java
@@ -0,0 +1,286 @@
+/*

+ *      Book Catalog - Catalog your book collection.

+ *      

+ *      Copyright (C) 2009 Joshua Walters

+ *      URL: http://joshwalters.com

+ *      

+ *      This file is part of Book Catalog.

+ *      

+ *      Book Catalog is free software: you can redistribute it and/or modify

+ *      it under the terms of the GNU General Public License as published by

+ *      the Free Software Foundation, either version 3 of the License, or

+ *      (at your option) any later version.

+ *      

+ *      Book Catalog is distributed in the hope that it will be useful,

+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of

+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+ *      GNU General Public License for more details.

+ *      

+ *      You should have received a copy of the GNU General Public License

+ *      along with Book Catalog.  If not, see <http://www.gnu.org/licenses/>.

+ */

+

+package com.joshwalters.bookcatalog.isbnlookup;

+

+import java.util.regex.Pattern;

+

+/**

+ * Abstract class for performing an ISBN lookup for a book.

+ * 

+ * @author Josh Walters

+ */

+public abstract class ISBNLookup {

+

+	/**

+	 * The title of the book.

+	 */

+	protected String title;

+	/**

+	 * The author of the book.

+	 */

+	protected String author;

+	/**

+	 * The publisher of the book.

+	 */

+	protected String publisher;

+	/**

+	 * The date the book was published.

+	 */

+	protected String date;

+	/**

+	 * The description of the book.

+	 */

+	protected String description;

+	/**

+	 * The subject of the book.

+	 */

+	protected String subject;

+	/**

+	 * The books ISBN number.

+	 */

+	protected String ISBN;

+	/**

+	 * The price of the book.

+	 */

+	protected String price;

+

+	/**

+	 * Purifies the input barcode to make it suitable for use in lookup. Also

+	 * grabs the price from the barcode if it is present.

+	 * 

+	 * @param barcode

+	 * @return A purified barcode.

+	 * @throws InvalidSearchTerms

+	 */

+	protected String purifyBarcode(String barcode) throws InvalidSearchTerms {

+		// Remove the extra characters that some scanners include

+		barcode = removeCharInString(barcode, ' ');

+		barcode = removeCharInString(barcode, '-');

+		// Check to see if the barcode is made up of numbers.

+		if (!Pattern.matches("^\\d*$", barcode)) {

+			throw new InvalidSearchTerms();

+		}

+		// Check to see that the barcode is at least 4 digits long.

+		if (barcode.length() < 4) {

+			throw new InvalidSearchTerms();

+		}

+		// ISBN-13

+		if (barcode.substring(0, 3).compareTo("978") == 0

+				|| barcode.substring(0, 3).compareTo("979") == 0) {

+			if (barcode.length() == 15) {

+				barcode = barcode.substring(0, 13);

+			}

+			if (barcode.length() == 18) {

+				price = barcode.substring(13);

+				barcode = barcode.substring(0, 13);

+			}

+		}

+		// ISBN-10

+		else {

+			if (barcode.length() == 12) {

+				barcode = barcode.substring(0, 10);

+			}

+			if (barcode.length() == 15) {

+				price = barcode.substring(10);

+				barcode = barcode.substring(0, 10);

+			}

+		}

+		if (price != null) {

+			// Format price information

+			if (price.charAt(1) == '0') {

+				price = price.substring(2);

+				price = "$" + price.substring(0, 1) + "." + price.substring(1);

+			} else {

+				price = price.substring(1);

+				price = "$" + price.substring(0, 2) + "." + price.substring(2);

+			}

+		}

+		// Check to make sure that this is the proper length for an ISBN number.

+		if (barcode.length() != 10 & barcode.length() != 13) {

+			throw new InvalidSearchTerms();

+		}

+		return barcode;

+	}

+

+	/**

+	 * Clear out all the data fields.

+	 */

+	protected void emptyDataFields() {

+		title = null;

+		author = null;

+		publisher = null;

+		date = null;

+		description = null;

+		subject = null;

+		ISBN = null;

+		price = null;

+		return;

+	}

+

+	/**

+	 * Removes character from string.

+	 * 

+	 * @param s

+	 * @param c

+	 * @return The new string.

+	 */

+	private String removeCharInString(String s, char c) {

+		String result = "";

+		for (int i = 0; i < s.length(); i++) {

+			if (s.charAt(i) != c) {

+				result += s.charAt(i);

+			}

+		}

+		return result;

+	}

+

+	/**

+	 * Searches for a book.

+	 * 

+	 * @param barcode

+	 * @throws NoBookFound

+	 * @throws InvalidSearchTerms

+	 */

+	public abstract void searchBooks(String barcode) throws NoBookFound,

+			InvalidSearchTerms;

+

+	/**

+	 * @return the title

+	 */

+	public String getTitle() {

+		return title;

+	}

+

+	/**

+	 * @param title

+	 *            the title to set

+	 */

+	public void setTitle(String title) {

+		this.title = title;

+	}

+

+	/**

+	 * @return the author

+	 */

+	public String getAuthor() {

+		return author;

+	}

+

+	/**

+	 * @param author

+	 *            the author to set

+	 */

+	public void setAuthor(String author) {

+		this.author = author;

+	}

+

+	/**

+	 * @return the publisher

+	 */

+	public String getPublisher() {

+		return publisher;

+	}

+

+	/**

+	 * @param publisher

+	 *            the publisher to set

+	 */

+	public void setPublisher(String publisher) {

+		this.publisher = publisher;

+	}

+

+	/**

+	 * @return the date

+	 */

+	public String getDate() {

+		return date;

+	}

+

+	/**

+	 * @param date

+	 *            the date to set

+	 */

+	public void setDate(String date) {

+		this.date = date;

+	}

+

+	/**

+	 * @return the description

+	 */

+	public String getDescription() {

+		return description;

+	}

+

+	/**

+	 * @param description

+	 *            the description to set

+	 */

+	public void setDescription(String description) {

+		this.description = description;

+	}

+

+	/**

+	 * @return the subject

+	 */

+	public String getSubject() {

+		return subject;

+	}

+

+	/**

+	 * @param subject

+	 *            the subject to set

+	 */

+	public void setSubject(String subject) {

+		this.subject = subject;

+	}

+

+	/**

+	 * @return the ISBN

+	 */

+	public String getISBN() {

+		return ISBN;

+	}

+

+	/**

+	 * @param ISBN

+	 *            the ISBN to set

+	 */

+	public void setISBN(String ISBN) {

+		this.ISBN = ISBN;

+	}

+

+	/**

+	 * @return the price

+	 */

+	public String getPrice() {

+		return price;

+	}

+

+	/**

+	 * @param price

+	 *            the price to set

+	 */

+	public void setPrice(String price) {

+		this.price = price;

+	}

+}
\ No newline at end of file
diff --git a/src/com/joshwalters/bookcatalog/isbnlookup/InvalidSearchTerms.java b/src/com/joshwalters/bookcatalog/isbnlookup/InvalidSearchTerms.java
new file mode 100644
index 0000000..558cde1
--- /dev/null
+++ b/src/com/joshwalters/bookcatalog/isbnlookup/InvalidSearchTerms.java
@@ -0,0 +1,34 @@
+/*
+ *      Book Catalog - Catalog your book collection.
+ *      
+ *      Copyright (C) 2009 Joshua Walters
+ *      URL: http://joshwalters.com
+ *      
+ *      This file is part of Book Catalog.
+ *      
+ *      Book Catalog is free software: you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation, either version 3 of the License, or
+ *      (at your option) any later version.
+ *      
+ *      Book Catalog is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ *      
+ *      You should have received a copy of the GNU General Public License
+ *      along with Book Catalog.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.joshwalters.bookcatalog.isbnlookup;
+
+/**
+ * Thrown if the search terms are invalid.
+ * 
+ * @author Josh Walters
+ */
+public class InvalidSearchTerms extends Exception {
+
+	/** The serial ID */
+	private static final long serialVersionUID = 8598966809541800761L;
+}
\ No newline at end of file
diff --git a/src/com/joshwalters/bookcatalog/isbnlookup/NoBookFound.java b/src/com/joshwalters/bookcatalog/isbnlookup/NoBookFound.java
new file mode 100644
index 0000000..1c909e0
--- /dev/null
+++ b/src/com/joshwalters/bookcatalog/isbnlookup/NoBookFound.java
@@ -0,0 +1,34 @@
+/*
+ *      Book Catalog - Catalog your book collection.
+ *      
+ *      Copyright (C) 2009 Joshua Walters
+ *      URL: http://joshwalters.com
+ *      
+ *      This file is part of Book Catalog.
+ *      
+ *      Book Catalog is free software: you can redistribute it and/or modify
+ *      it under the terms of the GNU General Public License as published by
+ *      the Free Software Foundation, either version 3 of the License, or
+ *      (at your option) any later version.
+ *      
+ *      Book Catalog is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *      GNU General Public License for more details.
+ *      
+ *      You should have received a copy of the GNU General Public License
+ *      along with Book Catalog.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.joshwalters.bookcatalog.isbnlookup;
+
+/**
+ * Thrown if the book is not found.
+ * 
+ * @author Josh Walters
+ */
+public class NoBookFound extends Exception {
+
+	/** The serial ID */
+	private static final long serialVersionUID = -7276230896519983235L;
+}
\ No newline at end of file