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package org.webslinger.commons.vfs.util; |
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import java.io.IOException; |
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import java.util.Collection; |
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import java.util.Map; |
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import java.util.NoSuchElementException; |
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import java.util.Set; |
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import org.apache.commons.vfs.FileObject; |
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| 11 | 0 | public final class FileAttributeMap<F extends FileObject> extends FileAttributeBaseWrapper<F> implements Map<String, Object> { |
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public FileAttributeMap(F file, FileAttributeResolver<F> resolver) { |
| 13 | 7125 | super(file, resolver); |
| 14 | 7125 | } |
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public void clear() { |
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try { |
| 18 | 0 | F file = getFile(); |
| 19 | 0 | for (String name: resolver.getAttributeNames(file)) { |
| 20 | 0 | resolver.removeAttribute(file, name); |
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} |
| 22 | 0 | } catch (Exception e) { |
| 23 | 0 | } |
| 24 | 0 | } |
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public boolean containsKey(Object key) { |
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try { |
| 28 | 0 | return resolver.attributeExists(getFile(), (String) key); |
| 29 | 0 | } catch (Exception e) { |
| 30 | 0 | return false; |
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} |
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} |
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public boolean containsValue(Object value) { |
| 35 | 0 | throw new UnsupportedOperationException("containsValue"); |
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} |
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public Set<Map.Entry<String, Object>> entrySet() { |
| 39 | 28 | return new FileAttributeEntrySet<F, Map.Entry<String, Object>>(this); |
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} |
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public boolean equals(Object other) { |
| 43 | 0 | if (!(other instanceof FileAttributeMap)) return false; |
| 44 | 0 | FileAttributeMap fam = (FileAttributeMap) other; |
| 45 | 0 | return resolver.equals(fam.resolver); |
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} |
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public Object get(Object key) { |
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try { |
| 50 | 0 | return resolver.getAttribute(getFile(), (String) key); |
| 51 | 0 | } catch (Exception e) { |
| 52 | 0 | return null; |
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} |
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} |
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public int hashCode() { |
| 57 | 0 | return getClass().hashCode() ^ resolver.hashCode(); |
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} |
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public boolean isEmpty() { |
| 61 | 0 | return size() == 0; |
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} |
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public Set<String> keySet() { |
| 65 | 0 | return new FileAttributeKeySet<F, String>(this); |
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} |
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public Object put(String key, Object value) { |
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try { |
| 70 | 0 | F file = getFile(); |
| 71 | 0 | Object oldValue = resolver.getAttribute(file, key); |
| 72 | 0 | resolver.setAttribute(file, key, value); |
| 73 | 0 | return oldValue; |
| 74 | 0 | } catch (Exception e) { |
| 75 | 0 | return null; |
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} |
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} |
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public void putAll(Map<? extends String, ? extends Object> map) { |
| 80 | 0 | F file = getFile(); |
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try { |
| 82 | 0 | for (Map.Entry<? extends String, ? extends Object> entry: map.entrySet()) { |
| 83 | 0 | resolver.setAttribute(file, entry.getKey(), entry.getValue()); |
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} |
| 85 | 0 | } catch (IOException e) { |
| 86 | 0 | } catch (NoSuchElementException e) { |
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|
| 88 | 0 | } catch (Exception e) { |
| 89 | 0 | } |
| 90 | 0 | } |
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public Object remove(Object key) { |
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try { |
| 94 | 0 | F file = getFile(); |
| 95 | 0 | Object oldValue = resolver.getAttribute(file, (String) key); |
| 96 | 0 | resolver.removeAttribute(file, (String) key); |
| 97 | 0 | return oldValue; |
| 98 | 0 | } catch (Exception e) { |
| 99 | 0 | return null; |
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} |
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} |
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public int size() { |
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try { |
| 105 | 15 | return resolver.getAttributeNames(getFile()).length; |
| 106 | 0 | } catch (Exception e) { |
| 107 | 0 | return 0; |
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} |
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} |
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public Collection<Object> values() { |
| 112 | 0 | return null; |
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} |
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public String toString() { |
| 116 | |
try { |
| 117 | 0 | F file = getFile(); |
| 118 | 0 | String[] names = resolver.getAttributeNames(file); |
| 119 | 0 | StringBuilder sb = new StringBuilder(); |
| 120 | 0 | sb.append('{'); |
| 121 | 0 | for (int i = 0; i < names.length; i++) { |
| 122 | 0 | if (i != 0) sb.append(", "); |
| 123 | 0 | sb.append(names[i]).append('=').append(resolver.getAttribute(file, names[i])); |
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} |
| 125 | 0 | sb.append('}'); |
| 126 | 0 | return sb.toString(); |
| 127 | 0 | } catch (Exception e) { |
| 128 | 0 | throw (InternalError) new InternalError(e.getMessage()).initCause(e); |
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} |
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} |
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} |
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