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package org.mule.util.store; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.store.ObjectStoreException; |
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import org.mule.util.FileUtils; |
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import org.mule.util.IOUtils; |
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import org.mule.util.StringUtils; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.Serializable; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Properties; |
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|
33 | 0 | public class TextFileObjectStore extends InMemoryObjectStore<String> |
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{ |
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protected File fileStore; |
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protected String directory; |
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protected String encoding; |
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private FileOutputStream output; |
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@Override |
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public void initialise() throws InitialisationException |
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{ |
44 | 0 | super.initialise(); |
45 | 0 | if (encoding == null) |
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{ |
47 | 0 | encoding = context.getConfiguration().getDefaultEncoding(); |
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} |
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|
50 | 0 | if (directory == null) |
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{ |
52 | 0 | directory = context.getConfiguration().getWorkingDirectory() + "/objectstore"; |
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} |
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try |
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{ |
57 | 0 | File dir = FileUtils.openDirectory(directory); |
58 | 0 | fileStore = new File(dir, name + ".dat"); |
59 | 0 | if (fileStore.exists()) |
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{ |
61 | 0 | loadFromStore(); |
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} |
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} |
64 | 0 | catch (Exception e) |
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{ |
66 | 0 | throw new InitialisationException(e, this); |
67 | 0 | } |
68 | 0 | } |
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protected synchronized void loadFromStore() throws Exception |
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{ |
72 | 0 | Properties props = new Properties(); |
73 | 0 | props.load(new FileInputStream(fileStore)); |
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|
75 | 0 | for (Map.Entry<Object, Object> entry : props.entrySet()) |
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{ |
77 | 0 | super.store(entry.getKey().toString(), entry.getValue().toString()); |
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} |
79 | 0 | } |
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@Override |
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public void store(Serializable id, String item) throws ObjectStoreException |
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{ |
84 | 0 | super.store(id, item); |
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try |
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{ |
88 | 0 | if (output == null) |
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{ |
90 | 0 | output = new FileOutputStream(fileStore, true); |
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} |
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|
93 | 0 | StringBuffer buf = new StringBuffer(); |
94 | 0 | buf.append(id).append("=").append(item.toString()).append(IOUtils.LINE_SEPARATOR); |
95 | 0 | output.write(buf.toString().getBytes()); |
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} |
97 | 0 | catch (IOException iox) |
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{ |
99 | 0 | throw new ObjectStoreException(iox); |
100 | 0 | } |
101 | 0 | } |
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public String getDirectory() |
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{ |
105 | 0 | return directory; |
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} |
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public void setDirectory(String directory) |
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{ |
110 | 0 | this.directory = directory; |
111 | 0 | } |
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public String getEncoding() |
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{ |
115 | 0 | return encoding; |
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} |
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public void setEncoding(String encoding) |
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{ |
120 | 0 | this.encoding = encoding; |
121 | 0 | } |
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@Override |
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@SuppressWarnings("unchecked") |
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public synchronized void dispose() |
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{ |
127 | 0 | Properties props = new Properties(); |
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129 | 0 | for (Iterator<?> iterator = super.store.values().iterator(); iterator.hasNext();) |
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{ |
131 | 0 | StoredObject storedObject = (StoredObject) iterator.next(); |
132 | 0 | props.put(storedObject.getId(), storedObject.getItem()); |
133 | 0 | } |
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135 | 0 | if (output == null) |
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{ |
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try |
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{ |
139 | 0 | output = new FileOutputStream(fileStore, false); |
140 | 0 | props.store(output, StringUtils.EMPTY); |
141 | 0 | IOUtils.closeQuietly(output); |
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} |
143 | 0 | catch (IOException e) |
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{ |
145 | 0 | logger.error(e.getMessage(), e); |
146 | 0 | } |
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} |
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else |
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{ |
150 | 0 | IOUtils.closeQuietly(output); |
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} |
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153 | 0 | super.dispose(); |
154 | 0 | } |
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} |