/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed 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 android.os;
/**
* Helper class for reading pooling strings from a Parcel. It must be used
* in conjunction with {@link android.os.PooledStringWriter}. This really needs
* to be pushed in to Parcel itself, but doing that is... complicated.
* @hide
*/
public class PooledStringReader {
private final Parcel mIn;
/**
* The pool of strings we have collected so far.
*/
private final String[] mPool;
public PooledStringReader(Parcel in) {
mIn = in;
final int size = in.readInt();
mPool = new String[size];
}
public int getStringCount() {
return mPool.length;
}
public String readString() {
int idx = mIn.readInt();
if (idx >= 0) {
return mPool[idx];
} else {
idx = (-idx) - 1;
String str = mIn.readString();
mPool[idx] = str;
return str;
}
}
}