Questions tagged «bytearrayoutputstream»

5
从OutputStream创建InputStream的最有效方法
此页面:http : //blog.ostermiller.org/convert-java-outputstream-inputstream 描述如何从OutputStream创建InputStream: new ByteArrayInputStream(out.toByteArray()) 其他选择是使用PipedStreams和新线程,这很麻烦。 我不喜欢将许多兆字节复制到新的内存字节数组中的想法。是否有一个图书馆可以更有效地做到这一点? 编辑: 根据劳伦斯·贡萨尔维斯(Laurence Gonsalves)的建议,我尝试了PipedStreams,结果发现它们并不难处理。这是clojure中的示例代码: (defn #^PipedInputStream create-pdf-stream [pdf-info] (let [in-stream (new PipedInputStream) out-stream (PipedOutputStream. in-stream)] (.start (Thread. #(;Here you write into out-stream))) in-stream))

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