diff --git a/src/main/java/org/cactoos/io/InputAsProperties.java b/src/main/java/org/cactoos/io/InputAsProperties.java new file mode 100644 index 0000000000..734c6b1bd4 --- /dev/null +++ b/src/main/java/org/cactoos/io/InputAsProperties.java @@ -0,0 +1,64 @@ +/** + * 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.IOException; +import java.io.InputStream; +import java.util.Properties; +import org.cactoos.Input; +import org.cactoos.Scalar; + +/** + * Input as {@link Properties}. + * + *

There is no thread-safety guarantee. + * + * @author Yegor Bugayenko (yegor256@gmail.com) + * @version $Id$ + * @since 0.8 + */ +public final class InputAsProperties implements Scalar { + + /** + * The input. + */ + private final Input source; + + /** + * Ctor. + * @param input The input + */ + public InputAsProperties(final Input input) { + this.source = input; + } + + @Override + public Properties asValue() throws IOException { + final Properties props = new Properties(); + try (final InputStream input = this.source.stream()) { + props.load(input); + } + return props; + } +} diff --git a/src/test/java/org/cactoos/io/InputAsPropertiesTest.java b/src/test/java/org/cactoos/io/InputAsPropertiesTest.java new file mode 100644 index 0000000000..22ddf936be --- /dev/null +++ b/src/test/java/org/cactoos/io/InputAsPropertiesTest.java @@ -0,0 +1,61 @@ +/** + * 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.util.Properties; +import org.cactoos.ScalarHasValue; +import org.cactoos.func.FuncAsMatcher; +import org.cactoos.text.TextAsBytes; +import org.hamcrest.MatcherAssert; +import org.junit.Test; + +/** + * Test case for {@link InputAsProperties}. + * @author Yegor Bugayenko (yegor256@gmail.com) + * @version $Id$ + * @since 0.8 + * @checkstyle JavadocMethodCheck (500 lines) + */ +public final class InputAsPropertiesTest { + + @Test + public void readsInputContent() { + MatcherAssert.assertThat( + "Can't read properties from an input", + new InputAsProperties( + new BytesAsInput( + new TextAsBytes( + "foo=Hello, world!\nbar=works fine?\n" + ) + ) + ), + new ScalarHasValue<>( + new FuncAsMatcher( + props -> "Hello, world!".equals(props.getProperty("foo")) + ) + ) + ); + } + +}