com.caucho.quercus.lib.file

Class FileReadValue

java.lang.Object

com.caucho.quercus.env.Value

com.caucho.quercus.env.ResourceValue

com.caucho.quercus.resources.StreamResource

com.caucho.quercus.lib.file.FileValue

com.caucho.quercus.lib.file.FileReadValue

All Implemented Interfaces:

EnvCleanup, java.io.Serializable

public class FileReadValue
extends FileValue

Represents a Quercus open file

See Also:

Serialized Form

Field Summary

Fields inherited from class com.caucho.quercus.env.Value

L, NULL_ARGS, NULL_VALUE_ARRAY

Constructor Summary

Constructors

Constructor and Description
FileReadValue(Path path)

Method Summary

Modifier and Type	Method and Description
void	close() Closes the file.
long	getLength() Returns the number of bytes available to be read, 0 if no known.
long	getPosition() Returns the current location in the file.
boolean	isEOF() Returns true on the EOF.
int	read() Reads a character from a file, returning -1 on EOF.
int	read(byte[] buffer, int offset, int length) Reads a buffer from a file, returning -1 on EOF.
StringValue	readLine(Env env) Reads a line from a file, returning null on EOF.
boolean	readOptionalLinefeed() Reads the optional linefeed character from a \r\n
java.lang.String	toString() Converts to a string.
void	writeToStream(java.io.OutputStream os, int length) Read a maximum of length bytes from the file and write them to the outputStream.

Methods inherited from class com.caucho.quercus.lib.file.FileValue

getPath, print

Methods inherited from class com.caucho.quercus.resources.StreamResource

closeRead, closeWrite, flush, print, write

Methods inherited from class com.caucho.quercus.env.ResourceValue

cleanup, isResource, printRImpl, serialize, toKey, varDumpImpl

Methods inherited from class com.caucho.quercus.env.Value

abs, add, add, addOne, append, appendTo, appendTo, appendTo, appendTo, bitAnd, bitOr, bitXor, call, call, call, call, call, call, call, callCopy, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethod, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callMethodRef, callRef, callRef, callRef, callRef, callRef, callRef, callRef, charValueAt, checkPrivate, checkProtected, clone, cmp, containsKey, copy, copy, copy, copyArrayItem, copyReturn, copySaveFunArg, copyStringBuilder, copyTree, current, div, div, end, eq, eql, eqValue, findFunction, findQuercusClass, generate, geq, get, get, getArg, getArgTail, getArray, getArray, getBaseIterator, getCallableName, getCalledClass, getClassName, getCount, getCountRecursive, getDirty, getField, getFieldArg, getFieldArgRef, getFieldArray, getFieldObject, getFieldVar, getHashCode, getIterator, getKeyArray, getKeyIterator, getObject, getObject, getObjectHash, getQuercusClass, getRef, getResourceType, getSize, getStaticFieldValue, getStaticFieldVar, getThisField, getThisFieldArg, getThisFieldArgRef, getThisFieldArray, getThisFieldObject, getThisFieldVar, getType, getValueArray, getValueIterator, getValueType, getVar, gt, hasCurrent, hashCode, increment, initField, initField, initField, initIncompleteField, isA, isA, isArray, isBinary, isBoolean, isCallable, isDefault, isDouble, isDoubleConvertible, isEmpty, isEmpty, isFieldExists, isFieldInit, isLong, isLongConvertible, isNull, isNumberConvertible, isNumeric, isObject, isset, isset, issetField, issetThisField, isString, isUnicode, isVar, jsonEncode, key, keyExists, length, leq, lshift, lt, mod, mul, mul, neg, next, nextIndex, pop, pos, postdecr, postincr, postincr, predecr, preincr, preincr, prev, print, print, printDepth, printJavaChar, printJavaString, printR, put, put, put, putArray, putField, putField, putField, putObject, putThisField, putThisField, putThisFieldArray, putVar, remove, reset, rshift, serialize, set, setCharValueAt, setFieldInit, setJavaObject, setStaticFieldRef, shuffle, sub_rev, sub, sub, subOne, toArgRef, toArray, toArrayValue, toAutoArray, toAutoObject, toBigDecimal, toBigInteger, toBinaryValue, toBinaryValue, toBinaryValue, toBinaryValueMarshalCost, toBoolean, toBooleanMarshalCost, toByteArrayMarshalCost, toByteMarshalCost, toCallable, toChar, toCharArrayMarshalCost, toCharMarshalCost, toDebugString, toDouble, toDouble, toDouble, toDouble, toDouble, toDoubleMarshalCost, toDoubleValue, toException, toFloatMarshalCost, toInputStream, toInt, toIntegerMarshalCost, toInternString, toJavaBoolean, toJavaByte, toJavaCalendar, toJavaCharacter, toJavaCollection, toJavaDate, toJavaDouble, toJavaEnum, toJavaFloat, toJavaInteger, toJavaList, toJavaLong, toJavaMap, toJavaObject, toJavaObject, toJavaObjectMarshalCost, toJavaObjectNotNull, toJavaShort, toJavaString, toJavaURL, toLocalRef, toLocalThis, toLocalValue, toLocalValueReadOnly, toLocalVar, toLocalVarDeclAsRef, toLong, toLong, toLong, toLong, toLong, toLongMarshalCost, toLongValue, toObject, toRef, toRefValue, toShortMarshalCost, toString, toStringBuilder, toStringBuilder, toStringBuilder, toStringBuilder, toStringMarshalCost, toStringValue, toStringValue, toStringValueMarshalCost, toUnicode, toUnicodeValue, toUnicodeValue, toUnicodeValueMarshalCost, toValue, toVar, unsetArray, unsetField, unsetThisArray, unsetThisField, unsetThisPrivateField, valuesToArray, varDump, varExport, varExportImpl

Methods inherited from class java.lang.Object

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

Constructor Detail

FileReadValue

public FileReadValue(Path path)
              throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getLength

public long getLength()

Returns the number of bytes available to be read, 0 if no known.

read

public int read()
         throws java.io.IOException

Reads a character from a file, returning -1 on EOF.

Overrides:

read in class FileValue

Throws:

java.io.IOException

read

public int read(byte[] buffer,
                int offset,
                int length)
         throws java.io.IOException

Reads a buffer from a file, returning -1 on EOF.

Overrides:

read in class StreamResource

Throws:

java.io.IOException

readOptionalLinefeed

public boolean readOptionalLinefeed()
                             throws java.io.IOException

Reads the optional linefeed character from a \r\n

Overrides:

readOptionalLinefeed in class StreamResource

Throws:

java.io.IOException

writeToStream

public void writeToStream(java.io.OutputStream os,
                          int length)
                   throws java.io.IOException

Description copied from class: FileValue

Read a maximum of length bytes from the file and write them to the outputStream.

Overrides:

writeToStream in class FileValue

Parameters:

os - the OutputStream

length - the maximum number of bytes to read

Throws:

java.io.IOException

readLine

public StringValue readLine(Env env)
                     throws java.io.IOException

Reads a line from a file, returning null on EOF.

Overrides:

readLine in class FileValue

Throws:

java.io.IOException

isEOF

public boolean isEOF()

Returns true on the EOF.

Overrides:

isEOF in class StreamResource

getPosition

public long getPosition()

Returns the current location in the file.

Overrides:

getPosition in class StreamResource

close

public void close()

Closes the file.

Overrides:

close in class FileValue

toString

public java.lang.String toString()

Converts to a string.

Overrides:

toString in class FileValue

Parameters:

env -