0,0 → 1,146 |
// Protocol Buffers - Google's data interchange format |
// Copyright 2008 Google Inc. All rights reserved. |
// http://code.google.com/p/protobuf/ |
// |
// Redistribution and use in source and binary forms, with or without |
// modification, are permitted provided that the following conditions are |
// met: |
// |
// * Redistributions of source code must retain the above copyright |
// notice, this list of conditions and the following disclaimer. |
// * Redistributions in binary form must reproduce the above |
// copyright notice, this list of conditions and the following disclaimer |
// in the documentation and/or other materials provided with the |
// distribution. |
// * Neither the name of Google Inc. nor the names of its |
// contributors may be used to endorse or promote products derived from |
// this software without specific prior written permission. |
// |
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
package com.google.protobuf; |
|
import java.util.AbstractList; |
import java.util.RandomAccess; |
import java.util.ListIterator; |
import java.util.Iterator; |
|
/** |
* An implementation of {@link LazyStringList} that wraps another |
* {@link LazyStringList} such that it cannot be modified via the wrapper. |
* |
* @author jonp@google.com (Jon Perlow) |
*/ |
public class UnmodifiableLazyStringList extends AbstractList<String> |
implements LazyStringList, RandomAccess { |
|
private final LazyStringList list; |
|
public UnmodifiableLazyStringList(LazyStringList list) { |
this.list = list; |
} |
|
@Override |
public String get(int index) { |
return list.get(index); |
} |
|
@Override |
public int size() { |
return list.size(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public ByteString getByteString(int index) { |
return list.getByteString(index); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public void add(ByteString element) { |
throw new UnsupportedOperationException(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public ListIterator<String> listIterator(final int index) { |
return new ListIterator<String>() { |
ListIterator<String> iter = list.listIterator(index); |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public boolean hasNext() { |
return iter.hasNext(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public String next() { |
return iter.next(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public boolean hasPrevious() { |
return iter.hasPrevious(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public String previous() { |
return iter.previous(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public int nextIndex() { |
return iter.nextIndex(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public int previousIndex() { |
return iter.previousIndex(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public void remove() { |
throw new UnsupportedOperationException(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public void set(String o) { |
throw new UnsupportedOperationException(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public void add(String o) { |
throw new UnsupportedOperationException(); |
} |
}; |
} |
|
@Override |
public Iterator<String> iterator() { |
return new Iterator<String>() { |
Iterator<String> iter = list.iterator(); |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public boolean hasNext() { |
return iter.hasNext(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public String next() { |
return iter.next(); |
} |
|
//@Override (Java 1.6 override semantics, but we must support 1.5) |
public void remove() { |
throw new UnsupportedOperationException(); |
} |
}; |
} |
} |