return str == null ? defaultStr : str;
    }

    /**
     * <p>Checks if the CharSequence contains only ASCII printable characters.</p>
     *
     * <p>{@code null} will return {@code false}.
     * An empty CharSequence (length()=0) will return {@code true}.</p>
     *
     * <pre>
     * StringUtils.isAsciiPrintable(null)     = false
     * StringUtils.isAsciiPrintable("")       = true

    /** The key of the configuration. e.g. 5 */
    String PAGING_PAGE_RANGE_SIZE = "paging.page.range.size";

    /** The key of the configuration. e.g. true */
    String PAGING_PAGE_RANGE_FILL_LIMIT = "paging.page.range.fill.limit";

    /** The key of the configuration. e.g. 1000 */
    String PAGE_DOCBOOST_MAX_FETCH_SIZE = "page.docboost.max.fetch.size";

    /** The key of the configuration. e.g. 1000 */

# This workflow will build a Java project with Maven
# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

name: Java CI with Maven

on:
  push:
    branches:
    - master
    - "*.x"
  pull_request:
    branches:
    - master
    - "*.x"

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

                .contentType("text/html; charset=UTF-8").data(content.getBytes(Constants.CHARSET_UTF_8));
        response.headerContentDispositionInline(); // TODO will be fixed in lastaflute
        return response;
    }

    $ mvn antrun:run

### Run Fess

Run or debug org.codelibs.fess.FessBoot on your IDE, and then access http://localhost:8080/

### Build Package

Run the `package` goal and then the release file will be created in target/releases.

    $ mvn package
    $ mvn rpm:rpm   # .rpm package
    $ mvn jdeb:jdeb # .deb package

### Generate Source Code

    $ mvn dbflute:download # (one time command)

# This workflow will build a Java project with Maven
# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

name: Java CI with Maven

on:
  push:
    branches:
    - master
    - "*.x"
  pull_request:
    branches:
    - master
    - "*.x"
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:

# The size of one page for paging
paging.page.size = 25

# The size of page range for paging
paging.page.range.size = 5

# The option 'fillLimit' of page range for paging
paging.page.range.fill.limit = true

# fetch page size
page.docboost.max.fetch.size=1000
page.keymatch.max.fetch.size=1000
page.labeltype.max.fetch.size=1000
page.roletype.max.fetch.size=1000
page.user.max.fetch.size=1000

                    process.destroy();
                    teminated = true;
                } catch (final Exception e) {
                    if (logger.isInfoEnabled()) {
                        logger.info("Could not kill the subprocess.", e);
                    }
                }
            }
        }

        /**
         * @param finished
         *            The finished to set.
         */