Merge branch '__rultor'

README.md

@@ -244,7 +244,9 @@ Cactoos | Guava | Apache Commons | JDK 8
 `SplitText` | - | - | `String#split()`
 `EncodedUrl` | - | - | `URLEncoder.encode()`
 `SubText` | - | - | `String#substring()`
-`TrimmedText` | - | - | `String#trim()`
+`TrimmedText` | - | `StringUtils.stripAll()` | `String#trim()`
+`TrimmedLeftText` | - | `StringUtils.stripStart()` | -
+`TrimmedRightText` | - | `StringUtils.stripEnd()` | -
 `UpperText` | - | - | `String#toUpperCase()`
 `DecodedUrl` | - | - | `URLDecoder.decode()`
 `StickyList` | ? | ? | `Arrays.asList()`

src/main/java/org/cactoos/text/TrimmedLeftText.java

@@ -0,0 +1,69 @@
+/**
+ * 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.text;
+
+import java.io.IOException;
+import org.cactoos.Text;
+
+/**
+ * Text without control characters (char <= 32) only from left.
+ *
+ * <p>There is no thread-safety guarantee.
+ *
+ * @author Mehmet Yildirim ([email protected])
+ * @version $Id$
+ * @since 0.12
+ */
+public final class TrimmedLeftText implements Text {
+
+    /**
+     * The text.
+     */
+    private final Text origin;
+
+    /**
+     * Ctor.
+     * @param text The text
+     */
+    public TrimmedLeftText(final Text text) {
+        this.origin = text;
+    }
+
+    @Override
+    public String asString() throws IOException {
+        final String text = this.origin.asString();
+        int cursor = 0;
+        while (cursor < text.length() && Character.isWhitespace(
+            text.charAt(cursor)
+            )) {
+            cursor = cursor + 1;
+        }
+        return text.substring(cursor);
+    }
+
+    @Override
+    public int compareTo(final Text text) {
+        return new UncheckedText(this).compareTo(text);
+    }
+}

src/main/java/org/cactoos/text/TrimmedRightText.java

@@ -0,0 +1,67 @@
+/**
+ * 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.text;
+
+import java.io.IOException;
+import org.cactoos.Text;
+
+/**
+ * Text without control characters (char <= 32) only from right.
+ *
+ * <p>There is no thread-safety guarantee.
+ *
+ * @author Mehmet Yildirim ([email protected])
+ * @version $Id$
+ * @since 0.12
+ */
+public final class TrimmedRightText implements Text {
+
+    /**
+     * The text.
+     */
+    private final Text origin;
+
+    /**
+     * Ctor.
+     * @param text The text
+     */
+    public TrimmedRightText(final Text text) {
+        this.origin = text;
+    }
+
+    @Override
+    public String asString() throws IOException {
+        final String text = this.origin.asString();
+        int cursor = text.length() - 1;
+        while (cursor >= 0 && Character.isWhitespace(text.charAt(cursor))) {
+            cursor = cursor - 1;
+        }
+        return text.substring(0, cursor + 1);
+    }
+
+    @Override
+    public int compareTo(final Text text) {
+        return new UncheckedText(this).compareTo(text);
+    }
+}

src/test/java/org/cactoos/text/TrimmedLeftTextTest.java

@@ -0,0 +1,56 @@
+/**
+ * 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.text;
+
+import org.cactoos.TextHasString;
+import org.hamcrest.MatcherAssert;
+import org.junit.Test;
+
+/**
+ * Test case for {@link TrimmedLeftText}.
+ * @author Mehmet Yildirim ([email protected])
+ * @version $Id$
+ * @since 0.12
+ * @checkstyle JavadocMethodCheck (500 lines)
+ */
+public final class TrimmedLeftTextTest {
+
+    @Test
+    public void convertsText() {
+        MatcherAssert.assertThat(
+            "Can't left trim a text",
+            new TrimmedLeftText(new TextOf("  Hello!   \t ")),
+            new TextHasString("Hello!   \t ")
+        );
+    }
+
+    @Test
+    public void trimmedBlankTextIsEmptyText() {
+        MatcherAssert.assertThat(
+            "Can't trim a blank text",
+            new TrimmedLeftText(new TextOf("  \t ")),
+            new TextHasString("")
+        );
+    }
+}

src/test/java/org/cactoos/text/TrimmedRightTextTest.java

@@ -0,0 +1,56 @@
+/**
+ * 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.text;
+
+import org.cactoos.TextHasString;
+import org.hamcrest.MatcherAssert;
+import org.junit.Test;
+
+/**
+ * Test case for {@link TrimmedRightText}.
+ * @author Mehmet Yildirim ([email protected])
+ * @version $Id$
+ * @since 0.12
+ * @checkstyle JavadocMethodCheck (500 lines)
+ */
+public final class TrimmedRightTextTest {
+
+    @Test
+    public void convertsText() {
+        MatcherAssert.assertThat(
+            "Can't right trim a text",
+            new TrimmedRightText(new TextOf("  Hello!   \t ")),
+            new TextHasString("  Hello!")
+        );
+    }
+
+    @Test
+    public void trimmedBlankTextIsEmptyText() {
+        MatcherAssert.assertThat(
+            "Can't trim a blank text",
+            new TrimmedRightText(new TextOf("  \t ")),
+            new TextHasString("")
+        );
+    }
+}