Merge pull request #25 from Priyansh-Kedia/issue#22-23-24

Changes for builder pattern

Author: pknotfound

OGParser/build.gradle

@@ -70,7 +70,7 @@ afterEvaluate {
 
                 groupId = 'com.github.Priyansh-Kedia'
                 artifactId = 'OpenGraphParser'
-                version = '2.5.5'
+                version = '2.5.6'
             }
         }
     }

OGParser/src/main/java/com/kedia/ogparser/JsoupNetworkCall.kt

@@ -1,19 +1,34 @@
 package com.kedia.ogparser
 
+import android.util.Log
 import org.jsoup.Jsoup
 
-class JsoupNetworkCall {
+/**
+ * @param timeout - Timeout for requests, specified in milliseconds (default - 60000)
+ * @param jsoupProxy - Specify proxy for requests (host, port)
+ * @param maxBodySize - The maximum size to fetch for body
+ */
+
+class JsoupNetworkCall(
+    private val timeout: Int? = DEFAULT_TIMEOUT,
+    private val jsoupProxy: JsoupProxy? = null,
+    private val maxBodySize: Int? = null
+) {
 
     fun callUrl(url: String, agent: String): OpenGraphResult? {
         val openGraphResult = OpenGraphResult()
         try {
-            val response = Jsoup.connect(url)
+            val connection = Jsoup.connect(url)
                 .ignoreContentType(true)
                 .userAgent(agent)
                 .referrer(REFERRER)
-                .timeout(TIMEOUT)
+                .timeout(timeout ?: DEFAULT_TIMEOUT)
                 .followRedirects(true)
-                .execute()
+
+            jsoupProxy?.let { connection.proxy(it.host, it.port) }
+            maxBodySize?.let { connection.maxBodySize(it) }
+
+            val response = connection.execute()
 
             val doc = response.parse()
             val ogTags = doc.select(DOC_SELECT_OGTAGS)
@@ -63,11 +78,14 @@ class JsoupNetworkCall {
 
     companion object {
         private const val REFERRER = "http://www.google.com"
-        private const val TIMEOUT = 100000
+        private const val DEFAULT_TIMEOUT = 60000
+
         private const val DOC_SELECT_OGTAGS = "meta[property^=og:]"
         private const val DOC_SELECT_DESCRIPTION = "meta[name=description]"
+
         private const val OPEN_GRAPH_KEY = "content"
         private const val PROPERTY = "property"
+
         private const val OG_IMAGE = "og:image"
         private const val OG_DESCRIPTION = "og:description"
         private const val OG_URL = "og:url"

OGParser/src/main/java/com/kedia/ogparser/JsoupProxy.kt

@@ -0,0 +1,6 @@
+package com.kedia.ogparser
+
+data class JsoupProxy(
+    val host: String,
+    val port: Int
+)

OGParser/src/main/java/com/kedia/ogparser/OpenGraphParser.kt

@@ -3,14 +3,54 @@ package com.kedia.ogparser
 import kotlinx.coroutines.*
 import kotlin.coroutines.CoroutineContext
 
-class OpenGraphParser(
+class OpenGraphParser @JvmOverloads constructor(
     private val listener: OpenGraphCallback,
     private var showNullOnEmpty: Boolean = false,
-    private val cacheProvider: CacheProvider? = null
-) {
+    private val cacheProvider: CacheProvider? = null,
+    timeout: Int? = null,
+    jsoupProxy: JsoupProxy? = null,
+    maxBodySize: Int? = null) {
 
-    private val jsoupNetworkCall = JsoupNetworkCall()
+    private val jsoupNetworkCall = JsoupNetworkCall(
+        timeout, jsoupProxy, maxBodySize
+    )
 
+    private constructor(builder: Builder): this(
+        builder.listener,
+        builder.showNullOnEmpty,
+        builder.cacheProvider,
+        builder.timeout,
+        builder.jsoupProxy,
+        builder.maxBodySize
+    )
+
+    class Builder(
+        val listener: OpenGraphCallback
+    ) {
+        var showNullOnEmpty: Boolean = false
+            private set
+
+        var cacheProvider: CacheProvider? = null
+            private set
+
+        var timeout: Int? = null
+            private set
+
+        var jsoupProxy: JsoupProxy? = null
+            private set
+
+        var maxBodySize: Int? = null
+            private set
+
+        // Setter methods for the vars
+        fun showNullOnEmpty(showNullOnEmpty: Boolean) = apply { this.showNullOnEmpty = showNullOnEmpty }
+        fun cacheProvider(cacheProvider: CacheProvider) = apply { this.cacheProvider = cacheProvider }
+        fun timeout(timeout: Int) = apply { this.timeout = timeout }
+        fun jsoupProxy(jsoupProxy: JsoupProxy) = apply { this.jsoupProxy = jsoupProxy }
+        fun maxBodySize(maxBodySize: Int) = apply { this.maxBodySize = maxBodySize }
+
+        fun build() = OpenGraphParser(this)
+    }
 
     fun parse(url: String) {
         ParseLink(url).parse()