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package net.sourceforge.pebble.index; |
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import net.sourceforge.pebble.domain.Blog; |
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import net.sourceforge.pebble.domain.BlogEntry; |
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import net.sourceforge.pebble.domain.Category; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Collection; |
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import java.io.*; |
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public class CategoryIndex { |
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| 52 | 4 | private static final Log log = LogFactory.getLog(CategoryIndex.class); |
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private Blog blog; |
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| 56 | 2728 | public CategoryIndex(Blog blog) { |
| 57 | 2728 | this.blog = blog; |
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| 63 | 2728 | readIndex(); |
| 64 | 2728 | } |
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public void clear() { |
| 70 | 36 | for (Category category : blog.getCategories()) { |
| 71 | 36 | category.removeAllBlogEntries(); |
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} |
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| 74 | 36 | writeIndex(); |
| 75 | 36 | } |
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public synchronized void index(Collection<BlogEntry> blogEntries) { |
| 83 | 36 | for (BlogEntry blogEntry : blogEntries) { |
| 84 | 36 | if (blogEntry.isPublished()) { |
| 85 | 36 | for (Category category: blogEntry.getCategories()) { |
| 86 | 0 | category.addBlogEntry(blogEntry.getId()); |
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} |
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} |
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} |
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| 91 | 36 | writeIndex(); |
| 92 | 36 | } |
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public synchronized void index(BlogEntry blogEntry) { |
| 100 | 192 | if (blogEntry.isPublished()) { |
| 101 | 188 | for (Category category : blogEntry.getCategories()) { |
| 102 | 68 | category.addBlogEntry(blogEntry.getId()); |
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} |
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| 105 | 188 | writeIndex(); |
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} |
| 107 | 192 | } |
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public synchronized void unindex(BlogEntry blogEntry) { |
| 115 | 12 | for (Category category : blog.getCategories()) { |
| 116 | 16 | category.removeBlogEntry(blogEntry.getId()); |
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} |
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| 119 | 12 | writeIndex(); |
| 120 | 12 | } |
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private void readIndex() { |
| 126 | 2728 | File indexFile = new File(blog.getIndexesDirectory(), "categories.index"); |
| 127 | 2728 | if (indexFile.exists()) { |
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try { |
| 129 | 0 | BufferedReader reader = new BufferedReader(new FileReader(indexFile)); |
| 130 | 0 | String indexEntry = reader.readLine(); |
| 131 | 0 | while (indexEntry != null) { |
| 132 | 0 | String[] tuple = indexEntry.split("="); |
| 133 | 0 | Category category = blog.getCategory(tuple[0]); |
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| 135 | 0 | if (tuple.length > 1 && tuple[1] != null) { |
| 136 | 0 | String[] blogEntries = tuple[1].split(","); |
| 137 | 0 | for (String blogEntry : blogEntries) { |
| 138 | 0 | category.addBlogEntry(blogEntry); |
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} |
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} |
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| 142 | 0 | indexEntry = reader.readLine(); |
| 143 | 0 | } |
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| 145 | 0 | reader.close(); |
| 146 | 0 | } catch (Exception e) { |
| 147 | 0 | log.error("Error while reading index", e); |
| 148 | 0 | } |
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} |
| 150 | 2728 | } |
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private void writeIndex() { |
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try { |
| 157 | 272 | File indexFile = new File(blog.getIndexesDirectory(), "categories.index"); |
| 158 | 272 | BufferedWriter writer = new BufferedWriter(new FileWriter(indexFile)); |
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| 160 | 272 | for (Category category : blog.getCategories()) { |
| 161 | 352 | writer.write(category.getId()); |
| 162 | 352 | writer.write("="); |
| 163 | 352 | for (String blogEntry : category.getBlogEntries()) { |
| 164 | 136 | writer.write(blogEntry); |
| 165 | 136 | writer.write(","); |
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} |
| 167 | 352 | writer.newLine(); |
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} |
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| 170 | 272 | writer.flush(); |
| 171 | 272 | writer.close(); |
| 172 | 0 | } catch (Exception e) { |
| 173 | 0 | log.error("Error while writing index", e); |
| 174 | 272 | } |
| 175 | 272 | } |
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public List<String> getRecentBlogEntries(Category category) { |
| 184 | 12 | return new ArrayList<String>(category.getBlogEntries()); |
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} |
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} |