X-Git-Url: http://git.ieval.ro/?a=blobdiff_plain;f=src%2Fcom%2Fgoogle%2Fgson%2FJsonStreamParser.java;fp=src%2Fcom%2Fgoogle%2Fgson%2FJsonStreamParser.java;h=0000000000000000000000000000000000000000;hb=5c86ae2f45d293408d98a291e826948052d207bc;hp=f0438db32963b58f040a3ff1b6e16b5d4c321a13;hpb=5cf4714f0675349ed599707e024cf0e70fe114b2;p=unical.git diff --git a/src/com/google/gson/JsonStreamParser.java b/src/com/google/gson/JsonStreamParser.java deleted file mode 100644 index f0438db..0000000 --- a/src/com/google/gson/JsonStreamParser.java +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Copyright (C) 2009 Google Inc. - * - * 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 com.google.gson; - -import java.io.EOFException; -import java.io.IOException; -import java.io.Reader; -import java.io.StringReader; -import java.util.Iterator; -import java.util.NoSuchElementException; - -import com.google.gson.internal.Streams; -import com.google.gson.stream.JsonReader; -import com.google.gson.stream.JsonToken; -import com.google.gson.stream.MalformedJsonException; - -/** - * A streaming parser that allows reading of multiple {@link JsonElement}s from the specified reader - * asynchronously. - * - *

This class is conditionally thread-safe (see Item 70, Effective Java second edition). To - * properly use this class across multiple threads, you will need to add some external - * synchronization. For example: - * - *

- * JsonStreamParser parser = new JsonStreamParser("['first'] {'second':10} 'third'");
- * JsonElement element;
- * synchronized (parser) {  // synchronize on an object shared by threads
- *   if (parser.hasNext()) {
- *     element = parser.next();
- *   }
- * }
- * 
- * - * @author Inderjeet Singh - * @author Joel Leitch - * @since 1.4 - */ -public final class JsonStreamParser implements Iterator { - private final JsonReader parser; - private final Object lock; - - /** - * @param json The string containing JSON elements concatenated to each other. - * @since 1.4 - */ - public JsonStreamParser(String json) { - this(new StringReader(json)); - } - - /** - * @param reader The data stream containing JSON elements concatenated to each other. - * @since 1.4 - */ - public JsonStreamParser(Reader reader) { - parser = new JsonReader(reader); - parser.setLenient(true); - lock = new Object(); - } - - /** - * Returns the next available {@link JsonElement} on the reader. Null if none available. - * - * @return the next available {@link JsonElement} on the reader. Null if none available. - * @throws JsonParseException if the incoming stream is malformed JSON. - * @since 1.4 - */ - public JsonElement next() throws JsonParseException { - if (!hasNext()) { - throw new NoSuchElementException(); - } - - try { - return Streams.parse(parser); - } catch (StackOverflowError e) { - throw new JsonParseException("Failed parsing JSON source to Json", e); - } catch (OutOfMemoryError e) { - throw new JsonParseException("Failed parsing JSON source to Json", e); - } catch (JsonParseException e) { - throw e.getCause() instanceof EOFException ? new NoSuchElementException() : e; - } - } - - /** - * Returns true if a {@link JsonElement} is available on the input for consumption - * @return true if a {@link JsonElement} is available on the input, false otherwise - * @since 1.4 - */ - public boolean hasNext() { - synchronized (lock) { - try { - return parser.peek() != JsonToken.END_DOCUMENT; - } catch (MalformedJsonException e) { - throw new JsonSyntaxException(e); - } catch (IOException e) { - throw new JsonIOException(e); - } - } - } - - /** - * This optional {@link Iterator} method is not relevant for stream parsing and hence is not - * implemented. - * @since 1.4 - */ - public void remove() { - throw new UnsupportedOperationException(); - } -}