ch.specchio.types

Class MetaFile

java.lang.Object

ch.specchio.types.MetaParameter

ch.specchio.types.MetaFile

Direct Known Subclasses:

MetaDocument, MetaImage

public abstract class MetaFile
extends MetaParameter

Meta-parameter type for values that represent files.

Field Summary

Fields inherited from class ch.specchio.types.MetaParameter

CALIBRATION_LEVEL, HIERARCHY_LEVEL, SPECTRUM_LEVEL

Constructor Summary

Constructors

Modifier	Constructor and Description
	MetaFile() Default constructor.
protected	MetaFile(attribute attr) Constructor from an attribute.
protected	MetaFile(attribute attr, java.lang.Object meta_value) Constructor from attribute and value
protected	MetaFile(java.lang.String category_name, java.lang.String category_value, java.lang.Object meta_value) Constructor from a category name and value

Method Summary

Modifier and Type	Method and Description
abstract java.lang.String	getDefaultFilenameExtension() Get the default filename extension for this type of file.
abstract void	readValue(java.io.InputStream is, java.lang.String mimeType) Read the value of the meta-parameter from an input stream.
abstract void	writeValue(java.io.OutputStream os) Write the value of the meta-parameter to an output stream.

Methods inherited from class ch.specchio.types.MetaParameter

allows_multi_insert, getAnnotation, getAttributeId, getAttributeName, getBlob_lazy_loading, getBlob_size_in_MB, getBlob_size, getCategoryName, getCategoryValue, getDefaultStorageField, getDefaultUnitId, getDescription, getEavId, getEAVValue, getFieldPos, getIsBooleanValue, getLevel, getUnitId, getUnitName, getValue, hasEqualValue, newInstance, newInstance, newInstance, setAnnotation, setAttributeId, setAttributeName, setBlob_lazy_loading, setBlob_size, setCategoryName, setCategoryValue, setDefaultStorageField, setDefaultUnitId, setDescription, setEavId, setEmptyValue, setIsBooleanValue, setLevel, setUnitId, setUnitName, setUnits, setValue, setValue, valueAsString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MetaFile

public MetaFile()

Default constructor.

MetaFile

protected MetaFile(attribute attr)

Constructor from an attribute.

Parameters:

attr - the attribute

MetaFile

protected MetaFile(java.lang.String category_name,
                   java.lang.String category_value,
                   java.lang.Object meta_value)
            throws MetaParameterFormatException

Constructor from a category name and value

Parameters:

category_name - the category name

category_value - the category value

meta_value - the metaparameter value

Throws:

MetaParameterFormatException - meta_value cannot be assigned to a file meta-parameter

MetaFile

protected MetaFile(attribute attr,
                   java.lang.Object meta_value)
            throws MetaParameterFormatException

Constructor from attribute and value

Parameters:

attr - the attribute

meta_value - the metaparameter value

Throws:

MetaParameterFormatException - meta_value cannot be assigned to a file meta-parameter

Method Detail

getDefaultFilenameExtension

public abstract java.lang.String getDefaultFilenameExtension()

Get the default filename extension for this type of file.

Returns:

the default filename extension, including the "."

readValue

public abstract void readValue(java.io.InputStream is,
                               java.lang.String mimeType)
                        throws java.io.IOException

Read the value of the meta-parameter from an input stream.

Parameters:

is - the input stream

mimeType - the MIME type of the input data

Throws:

java.io.IOException - read error

writeValue

public abstract void writeValue(java.io.OutputStream os)
                         throws java.io.IOException

Write the value of the meta-parameter to an output stream.

Parameters:

os - the output stream

Throws:

java.io.IOException - write error