/*******************************************************************************
 * 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.wink.common.internal.providers.entity;

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.nio.charset.Charset;

import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

import org.apache.wink.common.RuntimeContext;
import org.apache.wink.common.internal.runtime.RuntimeContextTLS;
import org.apache.wink.common.internal.utils.MediaTypeUtils;
import org.apache.wink.common.utils.ProviderUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Provider
@Consumes
@Produces
public class StringProvider implements MessageBodyReader<String>, MessageBodyWriter<String> {

    private static final Logger logger = LoggerFactory.getLogger(StringProvider.class);

    public boolean isReadable(Class<?> type,
                              Type genericType,
                              Annotation[] annotations,
                              MediaType mediaType) {
        return type.isAssignableFrom(String.class);
    }

    public String readFrom(Class<String> type,
                           Type genericType,
                           Annotation[] annotations,
                           MediaType mediaType,
                           MultivaluedMap<String, String> httpHeaders,
                           InputStream entityStream) throws IOException, WebApplicationException {
        byte[] bytes = ProviderUtils.readFromStreamAsBytes(entityStream);
        return new String(bytes, ProviderUtils.getCharset(mediaType));
    }

    public long getSize(String t,
                        Class<?> type,
                        Type genericType,
                        Annotation[] annotations,
                        MediaType mediaType) {
        RuntimeContext context = RuntimeContextTLS.getRuntimeContext();
        HttpHeaders requestHeaders = null;
        if (context != null) {
            requestHeaders = context.getHttpHeaders();
        }
        String charSet = ProviderUtils.getCharset(mediaType, requestHeaders);
        if (charSet == null) {
            return -1;
        }
        if (!"UTF-8".equals(charSet)) { //$NON-NLS-1$
            try {
                return t.getBytes(charSet).length;
            } catch (UnsupportedEncodingException e) {
                logger.debug("Unsupported character encoding exception: {}", e); //$NON-NLS-1$
                throw new WebApplicationException(e, 500);
            }
        }
        return t.length();
    }

    public boolean isWriteable(Class<?> type,
                               Type genericType,
                               Annotation[] annotations,
                               MediaType mediaType) {
        return type == String.class;
    }

    public void writeTo(String t,
                        Class<?> type,
                        Type genericType,
                        Annotation[] annotations,
                        MediaType mediaType,
                        MultivaluedMap<String, Object> httpHeaders,
                        OutputStream entityStream) throws IOException, WebApplicationException {
        mediaType = MediaTypeUtils.setDefaultCharsetOnMediaTypeHeader(httpHeaders, mediaType);
        Charset charset = Charset.forName(ProviderUtils.getCharset(mediaType));
        OutputStreamWriter writer = new OutputStreamWriter(entityStream, charset);
        BufferedWriter bw = new BufferedWriter(writer);
        bw.write(t, 0, t.length());
        bw.flush();
    }

}

@@ -1668,120 +1668,8 @@
 r;%0A%0A
-import org.apache.wink.common.RuntimeContext;%0Aimport org.apache.wink.common.internal.runtime.RuntimeContextTLS;%0A
 impo
@@ -1779,65 +1779,8 @@
 ils;
-%0Aimport org.slf4j.Logger;%0Aimport org.slf4j.LoggerFactory;
 %0A%0A@P
@@ -1906,97 +1906,8 @@
  %7B%0A%0A
-    private static final Logger logger = LoggerFactory.getLogger(StringProvider.class);%0A%0A
     
@@ -2902,734 +2902,17 @@
     
-RuntimeContext context = RuntimeContextTLS.getRuntimeContext();%0A        HttpHeaders requestHeaders = null;%0A        if (context != null) %7B%0A            requestHeaders = context.getHttpHeaders();%0A        %7D%0A        String charSet = ProviderUtils.getCharset(mediaType, requestHeaders);%0A        if (charSet == null) %7B%0A            return -1;%0A        %7D%0A        if (!%22UTF-8%22.equals(charSet)) %7B //$NON-NLS-1$%0A            try %7B%0A                return t.getBytes(charSet).length;%0A            %7D catch (UnsupportedEncodingException e) %7B%0A                logger.debug(%22Unsupported character encoding exception: %7B%7D%22, e); //$NON-NLS-1$%0A                throw new WebApplicationException(e, 500);%0A            %7D%0A        %7D%0A        return t.length()
+return -1
 ;%0A  

Return -1 for the StringProvider size.