diff options
Diffstat (limited to 'emailcommon/src/org/apache/commons/io/input/CharSequenceReader.java')
| -rw-r--r-- | emailcommon/src/org/apache/commons/io/input/CharSequenceReader.java | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/emailcommon/src/org/apache/commons/io/input/CharSequenceReader.java b/emailcommon/src/org/apache/commons/io/input/CharSequenceReader.java deleted file mode 100644 index 6ee11d87d..000000000 --- a/emailcommon/src/org/apache/commons/io/input/CharSequenceReader.java +++ /dev/null @@ -1,155 +0,0 @@ -/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.commons.io.input;
-
-import java.io.Reader;
-import java.io.Serializable;
-
-/**
- * {@link Reader} implementation that can read from String, StringBuffer,
- * StringBuilder or CharBuffer.
- * <p>
- * <strong>Note:</strong> Supports {@link #mark(int)} and {@link #reset()}.
- *
- * @version $Revision: 610516 $ $Date: 2008-01-09 19:05:05 +0000 (Wed, 09 Jan 2008) $
- * @since Commons IO 1.4
- */
-public class CharSequenceReader extends Reader implements Serializable {
-
- private final CharSequence charSequence;
- private int idx;
- private int mark;
-
- /**
- * Construct a new instance with the specified character sequence.
- *
- * @param charSequence The character sequence, may be <code>null</code>
- */
- public CharSequenceReader(CharSequence charSequence) {
- this.charSequence = (charSequence != null ? charSequence : "");
- }
-
- /**
- * Close resets the file back to the start and removes any marked position.
- */
- public void close() {
- idx = 0;
- mark = 0;
- }
-
- /**
- * Mark the current position.
- *
- * @param readAheadLimit ignored
- */
- public void mark(int readAheadLimit) {
- mark = idx;
- }
-
- /**
- * Mark is supported (returns true).
- *
- * @return <code>true</code>
- */
- public boolean markSupported() {
- return true;
- }
-
- /**
- * Read a single character.
- *
- * @return the next character from the character sequence
- * or -1 if the end has been reached.
- */
- public int read() {
- if (idx >= charSequence.length()) {
- return -1;
- } else {
- return charSequence.charAt(idx++);
- }
- }
-
- /**
- * Read the sepcified number of characters into the array.
- *
- * @param array The array to store the characters in
- * @param offset The starting position in the array to store
- * @param length The maximum number of characters to read
- * @return The number of characters read or -1 if there are
- * no more
- */
- public int read(char[] array, int offset, int length) {
- if (idx >= charSequence.length()) {
- return -1;
- }
- if (array == null) {
- throw new NullPointerException("Character array is missing");
- }
- if (length < 0 || (offset + length) > array.length) {
- throw new IndexOutOfBoundsException("Array Size=" + array.length +
- ", offset=" + offset + ", length=" + length);
- }
- int count = 0;
- for (int i = 0; i < length; i++) {
- int c = read();
- if (c == -1) {
- return count;
- }
- array[offset + i] = (char)c;
- count++;
- }
- return count;
- }
-
- /**
- * Reset the reader to the last marked position (or the beginning if
- * mark has not been called).
- */
- public void reset() {
- idx = mark;
- }
-
- /**
- * Skip the specified number of characters.
- *
- * @param n The number of characters to skip
- * @return The actual number of characters skipped
- */
- public long skip(long n) {
- if (n < 0) {
- throw new IllegalArgumentException(
- "Number of characters to skip is less than zero: " + n);
- }
- if (idx >= charSequence.length()) {
- return -1;
- }
- int dest = (int)Math.min(charSequence.length(), (idx + n));
- int count = dest - idx;
- idx = dest;
- return count;
- }
-
- /**
- * Return a String representation of the underlying
- * character sequence.
- *
- * @return The contents of the character sequence
- */
- public String toString() {
- return charSequence.toString();
- }
-}
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