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public interface DirectoryEntry
This interface represents a single resource on a hierarchical system, such as a file system.
Field Summary | |
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static FileDefinition |
TYPE_FILE
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static FolderDefinition |
TYPE_FOLDER
|
Method Summary | |
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boolean |
canRead()
Return whether it is possible to read from this DirectoryEntry, and whether an input stream can be obtained for this entry. |
boolean |
canWrite()
Return whether it is possible to write to this DirectoryEntry, and whether an output stream can be obtained for this entry. |
java.io.InputStream |
getInputStream()
If this DirectoryEntry is readable, then return an InputStream instance to the resource represented by this entry. |
java.io.OutputStream |
getOutputStream()
If this DirectoryEntry is writable, then return an OutputStream instance to the resource represented by this entry. |
boolean |
loadPreview()
Load property values associated with this DirectoryEntry and return whether the preview properties are now available. |
java.net.URL |
toURL()
Converts this abstract pathname into a URL. |
Methods inherited from interface com.metamatrix.common.tree.TreeNode |
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compareTo, equals, exists, getFullName, getName, getNamespace, getSeparator, getSeparatorChar, getType, isModified, toString |
Field Detail |
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static final FileDefinition TYPE_FILE
static final FolderDefinition TYPE_FOLDER
Method Detail |
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boolean canWrite()
exists()
returns true).
- Returns:
- true if writing is possible, as well as whether an OutputStream instance
can be obtained by calling the
getOutputStream()
method.
boolean canRead()
exists()
returns false).
- Returns:
- true if reading is possible, as well as whether an InputStream instance
can be obtained by calling the
getInputStream()
method.
boolean loadPreview()
java.io.InputStream getInputStream() throws java.io.IOException
java.lang.AssertionError
- if this method is called on a DirectoryEntry
for which canRead()
returns false.
java.io.IOException
- if there was an error creating the streamjava.io.OutputStream getOutputStream() throws java.io.IOException
java.lang.AssertionError
- if this method is called on a DirectoryEntry
for which canWrite()
returns false.
java.io.IOException
- if there was an error creating the streamjava.net.URL toURL() throws java.net.MalformedURLException
java.net.MalformedURLException
- if the URL is malformed.
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