[isis] 07/18: ISIS-1791: adds ClockFixture

[da...@apache.org]

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danhaywood pushed a commit to branch master
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commit bd27ff454b7325a487317677747e9e9769bade8c
Author: Dan Haywood <da...@haywood-associates.co.uk>
AuthorDate: Mon Dec 4 08:51:30 2017 +0000

    ISIS-1791: adds ClockFixture
---
 .../applib/fixturescripts/clock/ClockFixture.java  | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)

diff --git a/core/applib/src/main/java/org/apache/isis/applib/fixturescripts/clock/ClockFixture.java b/core/applib/src/main/java/org/apache/isis/applib/fixturescripts/clock/ClockFixture.java
new file mode 100644
index 0000000..364778d
--- /dev/null
+++ b/core/applib/src/main/java/org/apache/isis/applib/fixturescripts/clock/ClockFixture.java
@@ -0,0 +1,123 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ */
+package org.apache.isis.applib.fixturescripts.clock;
+
+import org.joda.time.LocalDate;
+import org.joda.time.LocalDateTime;
+import org.joda.time.format.DateTimeFormat;
+import org.joda.time.format.DateTimeFormatter;
+
+import org.apache.isis.applib.clock.Clock;
+import org.apache.isis.applib.fixtures.FixtureClock;
+import org.apache.isis.applib.fixturescripts.FixtureScript;
+
+public class ClockFixture extends FixtureScript {
+
+    //region > factory methods, constructors
+    public static ClockFixture setTo(final String date) {
+        return new ClockFixture(date);
+    }
+
+    private LocalDateTime localDateTime;
+    private LocalDate localDate;
+
+    public ClockFixture() {
+        super(null, "clock");
+    }
+
+    public ClockFixture(String dateStr) {
+        super(null, "clock");
+        if(!parse(dateStr)) {
+            throw new IllegalArgumentException(dateStr + " could not be parsed as a date/time or date");
+        }
+    }
+    //endregion
+
+    //region > parseAsLocalDateTime
+    private boolean parse(String dateStr) {
+        return dateStr == null ? true : parseNonNull(dateStr);
+    }
+
+    private boolean parseNonNull(String dateStr) {
+        this.localDateTime = parseAsLocalDateTime(dateStr);
+        if(localDateTime == null) {
+            this.localDate = parseAsLocalDate(dateStr);
+        }
+        return this.localDateTime != null || this.localDate != null;
+    }
+
+    private static LocalDate parseAsLocalDate(String dateStr) {
+        for (DateTimeFormatter formatter : new DateTimeFormatter[]{
+                DateTimeFormat.fullDateTime(),
+                DateTimeFormat.mediumDateTime(),
+                DateTimeFormat.shortDateTime(),
+                DateTimeFormat.forPattern("yyyy-MM-dd"),
+                DateTimeFormat.forPattern("yyyyMMdd"),
+        }) {
+            try {
+                return formatter.parseLocalDate(dateStr);
+            } catch (Exception e) {
+                // continue;
+            }
+        }
+        return null;
+    }
+
+    private static LocalDateTime parseAsLocalDateTime(String dateStr) {
+        for (DateTimeFormatter formatter : new DateTimeFormatter[]{
+                DateTimeFormat.fullDateTime(),
+                DateTimeFormat.mediumDateTime(),
+                DateTimeFormat.shortDateTime(),
+                DateTimeFormat.forPattern("yyyyMMddhhmmss"),
+                DateTimeFormat.forPattern("yyyyMMddhhmm")
+        }) {
+            try {
+                return formatter.parseLocalDateTime(dateStr);
+            } catch (Exception e) {
+                // continue;
+            }
+        }
+        return null;
+    }
+    //endregion
+
+    @Override
+    protected void execute(ExecutionContext fixtureResults) {
+        if(!(Clock.getInstance() instanceof FixtureClock)) {
+            throw new IllegalStateException("Clock has not been initialized as a FixtureClock");
+        }
+        final FixtureClock fixtureClock = (FixtureClock) FixtureClock.getInstance();
+
+        if(localDateTime != null) {
+            fixtureClock.setDate(localDateTime.getYear(), localDateTime.getMonthOfYear(), localDateTime.getDayOfMonth());
+            fixtureClock.setTime(localDateTime.getHourOfDay(), localDateTime.getMinuteOfHour());
+            return;
+        }
+        if(localDate != null) {
+            fixtureClock.setDate(localDate.getYear(), localDate.getMonthOfYear(), localDate.getDayOfMonth());
+            return;
+        }
+    }
+
+    @Override
+    public String validateRun(String parameters) {
+        return parseAsLocalDateTime(parameters) == null && parseAsLocalDate(parameters) == null
+                ? "Parameter must be parseable as a date/time or as a date" : null;
+    }
+}

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