#378: ReaderOf, InputStreamOf, OutputStreamOf, etc.

src/main/java/org/cactoos/io/BytesOf.java

@@ -24,11 +24,13 @@
 package org.cactoos.io;
 
 import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.IOException;
 import java.io.PrintStream;
 import java.io.Reader;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Path;
 import org.cactoos.Bytes;
 import org.cactoos.Input;
 import org.cactoos.Text;
@@ -59,6 +61,24 @@ public BytesOf(final Input input) {
         this(new InputAsBytes(input));
     }
 
+    /**
+     * Ctor.
+     * @param file The input
+     * @since 0.13
+     */
+    public BytesOf(final File file) {
+        this(new InputOf(file));
+    }
+
+    /**
+     * Ctor.
+     * @param path The input
+     * @since 0.13
+     */
+    public BytesOf(final Path path) {
+        this(new InputOf(path));
+    }
+
     /**
      * Ctor.
      *

src/main/java/org/cactoos/io/InputStreamOf.java

@@ -0,0 +1,158 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cactoos.io;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.net.URI;
+import java.net.URL;
+import java.nio.file.Path;
+import org.cactoos.Bytes;
+import org.cactoos.Input;
+import org.cactoos.Scalar;
+import org.cactoos.Text;
+import org.cactoos.scalar.StickyScalar;
+import org.cactoos.scalar.UncheckedScalar;
+
+/**
+ * Wrapper of {@link InputStream}.
+ *
+ * <p>There is no thread-safety guarantee.
+ *
+ * @author Yegor Bugayenko ([email protected])
+ * @version $Id$
+ * @since 0.13
+ */
+public final class InputStreamOf extends InputStream {
+
+    /**
+     * The source.
+     */
+    private final UncheckedScalar<InputStream> source;
+
+    /**
+     * Ctor.
+     * @param path The path
+     */
+    public InputStreamOf(final Path path) {
+        this(new InputOf(path));
+    }
+
+    /**
+     * Ctor.
+     * @param file The file
+     */
+    public InputStreamOf(final File file) {
+        this(new InputOf(file));
+    }
+
+    /**
+     * Ctor.
+     * @param url The URL
+     */
+    public InputStreamOf(final URL url) {
+        this(new InputOf(url));
+    }
+
+    /**
+     * Ctor.
+     * @param uri The URI
+     */
+    public InputStreamOf(final URI uri) {
+        this(new InputOf(uri));
+    }
+
+    /**
+     * Ctor.
+     * @param bytes The text
+     */
+    public InputStreamOf(final Bytes bytes) {
+        this(new InputOf(bytes));
+    }
+
+    /**
+     * Ctor.
+     * @param text The text
+     */
+    public InputStreamOf(final Text text) {
+        this(new InputOf(text));
+    }
+
+    /**
+     * Ctor.
+     * @param text The text
+     */
+    public InputStreamOf(final String text) {
+        this(new InputOf(text));
+    }
+
+    /**
+     * Ctor.
+     * @param rdr The reader
+     */
+    private InputStreamOf(final Reader rdr) {
+        this(new InputOf(rdr));
+    }
+
+    /**
+     * Ctor.
+     * @param input The input
+     */
+    public InputStreamOf(final Input input) {
+        this((Scalar<InputStream>) input::stream);
+    }
+
+    /**
+     * Ctor.
+     * @param src Source
+     */
+    private InputStreamOf(final Scalar<InputStream> src) {
+        super();
+        this.source = new UncheckedScalar<>(new StickyScalar<>(src));
+    }
+
+    @Override
+    public int read() throws IOException {
+        return this.source.value().read();
+    }
+
+    @Override
+    public int read(final byte[] buffer) throws IOException {
+        return this.source.value().read(buffer);
+    }
+
+    @Override
+    public int read(final byte[] buffer, final int offset,
+        final int length) throws IOException {
+        return this.source.value().read(buffer, offset, length);
+    }
+
+    @Override
+    public void close() throws IOException {
+        this.source.value().close();
+    }
+
+}

src/main/java/org/cactoos/io/OutputStreamTo.java

@@ -0,0 +1,114 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cactoos.io;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.nio.file.Path;
+import org.cactoos.Output;
+import org.cactoos.Scalar;
+import org.cactoos.scalar.StickyScalar;
+import org.cactoos.scalar.UncheckedScalar;
+
+/**
+ * Wrapper of {@link OutputStream}.
+ *
+ * <p>There is no thread-safety guarantee.
+ *
+ * @author Yegor Bugayenko ([email protected])
+ * @version $Id$
+ * @since 0.13
+ */
+public final class OutputStreamTo extends OutputStream {
+
+    /**
+     * The target.
+     */
+    private final UncheckedScalar<OutputStream> target;
+
+    /**
+     * Ctor.
+     * @param path The path
+     */
+    public OutputStreamTo(final Path path) {
+        this(new OutputTo(path));
+    }
+
+    /**
+     * Ctor.
+     * @param file The file
+     */
+    public OutputStreamTo(final File file) {
+        this(new OutputTo(file));
+    }
+
+    /**
+     * Ctor.
+     * @param wtr The writer
+     */
+    private OutputStreamTo(final Writer wtr) {
+        this(new OutputTo(wtr));
+    }
+
+    /**
+     * Ctor.
+     * @param output The input
+     */
+    public OutputStreamTo(final Output output) {
+        this((Scalar<OutputStream>) output::stream);
+    }
+
+    /**
+     * Ctor.
+     * @param tgt Target
+     */
+    private OutputStreamTo(final Scalar<OutputStream> tgt) {
+        super();
+        this.target = new UncheckedScalar<>(new StickyScalar<>(tgt));
+    }
+
+    @Override
+    public void write(final int data) throws IOException {
+        this.target.value().write(data);
+    }
+
+    @Override
+    public void write(final byte[] buffer) throws IOException {
+        this.target.value().write(buffer);
+    }
+
+    @Override
+    public void write(final byte[] buffer, final int offset,
+        final int length) throws IOException {
+        this.target.value().write(buffer, offset, length);
+    }
+
+    @Override
+    public void close() throws IOException {
+        this.target.value().close();
+    }
+
+}

src/main/java/org/cactoos/io/OutputTo.java

@@ -27,6 +27,7 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.Writer;
 import java.nio.file.Path;
 import org.cactoos.Output;
 
@@ -63,6 +64,14 @@ public OutputTo(final Path path) {
         this(() -> new FileOutputStream(path.toFile()));
     }
 
+    /**
+     * Ctor.
+     * @param writer The writer
+     */
+    public OutputTo(final Writer writer) {
+        this(new WriterAsOutputStream(writer));
+    }
+
     /**
      * Ctor.
      * @param stream The stream