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package com.sun.jersey.multipart;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * 

Injectable JavaBean containing the configuration parameters for * jersey-multipart as used in this particular application.

*/ public class MultiPartConfig { // ------------------------------------------------------------- Constructor /** *

Load and customize (if necessary) the configuration values for the * jersey-multipart module.

* * @exception IllegalArgumentException if the configuration resource * exists, but there are problems reading it */ public MultiPartConfig() { configure(); } // ------------------------------------------------------ Manifest Constants /** *

Name of a properties resource that (if found in the classpath * for this application) will be used to configure the settings returned * by our getter methods.

*/ public static final String MULTI_PART_CONFIG_RESOURCE = "jersey-multipart-config.properties"; /** *

Name of the resource property for the bufferThreshold * property.

*/ public static final String BUFFER_THRESHOLD_NAME = "bufferThreshold"; // ------------------------------------------------------ Instance Variables /** *

The threshold size (in bytes) above which a body part entity will be * buffered to disk instead of being held in memory.

*/ private int bufferThreshold = 4096; // ---------------------------------------------------------- Public Methods /** *

Return the size (in bytes) of the entity of an incoming * {@link BodyPart} before it will be buffered to disk. If not * customized, the default value is 4096.

*/ public int getBufferThreshold() { return bufferThreshold; } // --------------------------------------------------------- Private Methods /** *

Configure the values returned by this instance's getters based on * the contents of a properties resource, if it exists on the classpath * for this application.

* * @exception IllegalArgumentException if the configuration resource * exists, but there are problems reading it */ private void configure() { // Identify the class loader we will use ClassLoader loader = Thread.currentThread().getContextClassLoader(); if (loader == null) { loader = this.getClass().getClassLoader(); } // Attempt to find our properties resource InputStream stream = null; try { stream = loader.getResourceAsStream(MULTI_PART_CONFIG_RESOURCE); if (stream == null) { return; } Properties props = new Properties(); props.load(stream); String value = null; value = props.getProperty(BUFFER_THRESHOLD_NAME); if (value != null) { System.out.println("Setting bufferThreshold to " + value); this.bufferThreshold = Integer.valueOf(value); } } catch (IOException e) { throw new IllegalArgumentException(e); } finally { if (stream != null) { try { stream.close(); } catch (IOException e) { // Pass through } } } } }




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